Best Mastery Mart in 2026

➤ Pack of 10. 2700K Soft White. 5.5 Watt (60W Equivalent), 500 lumens. Dimmable. Energy Star, UL-listed. 300 Degrees Beam Angle.

➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 91% energy and your bill by replacing 60 Watt with 5.5 Watt. Same brightness but costs only 9% of your old light bulbs. Light bulbs last at least 11 years for 3-5 hours per day

➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. Soft White 2700K. Perfect fit for kitchens, living rooms, bedrooms and hallways in your table and floor lamps, pendant fixtures or ceiling fixtures, depends on your personal preference.

✅UNIVERSAL STANDARD STEM SIZE - 7/16" wide x 7/8" tall (11mm x 22mm) Mastery Mart’s caster wheels fit up to 99% Chairs sold across USA/Canada, such as office chairs, computer chairs and desk chairs, but DON'T FIT for IKEA chairs.

💎PRIME MATERIALS ENSURES STURDINESS - Mastery Mart’s office chair casters are made of top grade metal, premium polyurethane and nylon. And double-wheel transparent design make it sturdier and more heavy duty.

😻QUIET & SMOOTH ON FLOORS - With Mastery Mart's smooth rollerblade style casters, you will enjoy a quieter, smoother glide around your home office.

➤ Pack of 10. 5000K Daylight White. 5.5 Watt (60W Equivalent), 500 lumens. Dimmable. Energy Star, UL-listed. 300 Degrees Beam Angle.

➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 91% energy and your bill by replacing 60 Watt with 5.5 Watt. Same brightness but costs only 9% of your old light bulbs. Light bulbs last at least 11 years for 3-5 hours per day

➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. Daylight White 5000K. Perfect fit for kitchens, living rooms, bedrooms and hallways in your table and floor lamps, pendant fixtures or ceiling fixtures, depends on your personal preference.

➤ Pack of 10. 4000K Cool White. 5.5 Watt (60W Equivalent), 500 lumens. Dimmable. Energy Star, UL-listed. 300 Degrees Beam Angle.

➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 91% energy and your bill by replacing 60 Watt with 5.5 Watt. Same brightness but costs only 9% of your old light bulbs. Light bulbs last at least 11 years for 3-5 hours per day

➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. Cool White 4000K. Perfect fit for kitchens, living rooms, bedrooms and hallways in your table and floor lamps, pendant fixtures or ceiling fixtures, depends on your personal preference.

➤ Pack of 10, 5000K Daylight. 5.5 Watt, 400 Lumens. Dimmable. UL-listed, Energy star Certified. 40 Degrees Beam Angle.

➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 89% energy and your bill by replacing 50 Watt halogen bulb with our 5.5 Watt LED bulb. Same brightness but costs only 11% of your old light bulbs. Up to 25,000 Hours of lifespan enable the perfect lighting solution for at least 23 years (3 hours per day)

➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. Daylight 5000K. Perfect fit for track lights and spotlights for living room, bathroom, bedrooms and hallways, depends on your personal preference. 85+ CRI (color rendering value) means colors remain true and natural, always.

➤ Pack of 24, 5000K Daylight. 5.5 Watt, 400 Lumens. Dimmable. UL-listed, Energy star Certified. 40 Degrees Beam Angle.

➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 89% energy and your bill by replacing 50 Watt halogen bulb with our 5.5 Watt LED bulb. Same brightness but costs only 11% of your old light bulbs. Up to 25,000 Hours of lifespan enable the perfect lighting solution for at least 23 years (3 hours per day)

➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. Daylight White 5000K. Perfect fit for track lights and spotlights for living room, bathroom, bedrooms and hallways, depends on your personal preference. 85+ CRI (color rendering value) means colors remain true and natural, always.

➤ Pack of 6, 5000K Daylight. 5.5 Watt, 400 Lumens. Dimmable. UL-listed, Energy star Certified. 40 Degrees Beam Angle.

➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 89% energy and your bill by replacing 50 Watt halogen bulb with our 5.5 Watt LED bulb. Same brightness but costs only 11% of your old light bulbs. Up to 25,000 Hours of lifespan enable the perfect lighting solution for at least 23 years (3 hours per day)

➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. Daylight 5000K. Perfect fit for track lights and spotlights for living room, bathroom, bedrooms and hallways, depends on your personal preference. 85+ CRI (color rendering value) means colors remain true and natural, always.

➤ Pack of 36, 5000K Daylight. 5.5 Watt, 400 Lumens. Dimmable. UL-listed, Energy star Certified. 40 Degrees Beam Angle.

➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 89% energy and your bill by replacing 50 Watt halogen bulb with our 5.5 Watt LED bulb. Same brightness but costs only 11% of your old light bulbs. Up to 25,000 Hours of lifespan enable the perfect lighting solution for at least 23 years (3 hours per day)

➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. Daylight White 5000K. Perfect fit for track lights and spotlights for living room, bathroom, bedrooms and hallways, depends on your personal preference. 85+ CRI (color rendering value) means colors remain true and natural, always.

➤ Pack of 36, 2700K Soft white. 5.5 Watt, 400 Lumens. Dimmable. UL-listed, Energy star Certified. 40 Degrees Beam Angle.

➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 89% energy and your bill by replacing 50 Watt halogen bulb with our 5.5 Watt LED bulb. Same brightness but costs only 11% of your old light bulbs. Up to 25,000 Hours of lifespan enable the perfect lighting solution for at least 23 years (3 hours per day)

➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. 2700K Soft White. Perfect fit for track lights and spotlights for living room, bathroom, bedrooms and hallways, depends on your personal preference. 85+ CRI (color rendering value) means colors remain true and natural, always.

💡[ ENERGY SAVING 60W Equivalent ] - The light bulbs deliver 800 lumens brightness and use less power 9 watts to replace 60w incandescent bulbs. These led light bulbs save up to 85% energy and lower your electricity bill.

💡[ 5000K CCT Daylight White ] - Correlated Color Temperature of 5000 Kelvin provide daylight white lights, nice and bright without seeming harsh on the eyes.

💡[ CRI 80+, GOOD COLOR QUALITY ] - CRI 80 Ra for vivid and real color. The light color is very pleasant, soothing for your eyes. Perfect for comfortable reading, sleeping, make-up and hallway lighting.

➤ UNIVERSAL SIZE THAT FITS MOST CHAIRS. Outer cylinder diameter 50mm (2 inches). Inner cylinder diameter 28mm (1.1 inches). Please confirm the measurement before ordering.

➤ 100 mm (4 inches) ADJUSTABLE STROKE LENGTH. Minimum length: 262mm (10.3 inches); maximum length when fully extended: 353mm (14 inches).

➤ PREMIUM GRADE GAS LIFT CYLINDER. This heavy duty gas lift cylinder is manufactured to meet the highest industry standard (BIFMA/ANSI), the lift has maximum capacity up to 450 LBs/ 204KGs.

[ Excellent Energy Saving & Long Lifespan] - Upgrade to our 4W 350 lumens GU10 LED bulbs that efficiently replace 50W halogen bulbs, you can reduce energy consumption by up to 92%. Enjoy brighter and longer lifespan of 15,000 hours than halogen bulbs.

[ 5000K Daylight White for a Bright & Fresh Environment] - Enhance the vibrancy and ambiance of your workspace or office with our bright 5000K daylight white gu10, promoting productivity and focus. Please don't use with dimmer cause it may flicker.

[ Safety & Environmental Protection] - Certified by UL, GU10 bulb has no mercury, no UV& IR, and ensure safety and eco-friendliness, allowing for a sustainable and reliable lighting solution in residential and commercial lighting.

1️⃣ [ BRIGHTEN YOUR SPACE ]: These e26 led bulbs 60 watt are made of clear glass. Deliver 500 lumens with 300 degree beam angle. Only 9% of the cost of your old incandescent bulbs but provide higher brightness. Enjoy a bright environment with Mastery Mart 60 watt edison led.

2️⃣ [ SAVE ENERGY & MONEY ]: Long lasting lifespan up to 25,000hrs. Eco-friendly 60 watt replacement bulbs only use 5.5w and emit no heat. So our edison light bulb consume less electricity and promote a more economical lifestyle and energy conservation.

3️⃣ [ ENJOY TRUE COLOR WITH HIGH CRI ]: ST19 led bulb 60 watt feature high CRI 95+ Color Rendering Index(CRI), which means they display products' original colors without a yellow tint. Experience natural and vibrant colors with these top-quality bulbs.

➤ MULTIPLE OPTIONS: different packing numbers, dimmable/non-dimmable, Energy Star, UL-Listed, suitable for any scene

➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Same brightness but costs only 9% of your old light bulbs. Save up to 91% energy and your bill. Rated to last 11 years based on 3-5 hours per day use

➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable and works with most dimmer switches. These Vintage ST21 Edison style bulbs are perfect fit for kitchens, living rooms, bedrooms and hallways in your table and floor lamps, pendant fixtures or ceiling fixtures, depends on your personal preference.

💡➤👰 Pack of 6. 5000K Daylight White. 5.5 Watt (75W Equivalent), 575 lumens. Dimmable. Energy Star, UL-listed. 300 Degrees Beam Angle.

💡➤👰 GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 92% energy and your bill by replacing 75-watt with 5.5-watt. Same brightness but costs only 8% of your old light bulbs. Light bulbs last at least 11 years for 3-5 hours per day

💡➤👰 EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. Daylight White 5000K. Perfect fit for kitchens, living rooms, bedrooms and hallways in your table and floor lamps, pendant fixtures or ceiling fixtures, depends on your personal preference.

➤ Pack of 10, 5000K Daylight white. 4.5 Watt, 400 Lumens. Dimmable. UL Listed, Energy Star Certified. 40 Degrees Beam Angle.

➤ GREAT SAVINGS WITH SAME BRIGHTNESS – Save up to 91% energy and your bill by replacing 50 Watt halogen bulb with our 4.5 Watt LED bulb. Same brightness but costs only 11% of your old light bulbs. Up to 25,000 Hours of lifespan enable the perfect lighting solution for at least 23 years (3 hours per day)

➤ EXCELLENT COLOR CONSISTENCY& FLEXIBILITY – Dimmable. Daylight White 5000K. Perfect fit for track lights and spotlights for living room, bathroom, bedrooms and hallways, depends on your personal preference. 85+ CRI (color rendering value) means colors remain true and natural, always.

⭐HEAVY DUTY METAL BASE: Upgraded office chair base replacement from Mastery Mart is made of high-quality chrome. It provides greater carrying capacity up to 2400+Lbs with ANSI and BIFMA certification.

👍MORE STABLE & SAFER: This office chair base with 28''(71cm) diameter is broader than others. And the height of the base with low gravity center design is 4''(10cm). Both ensure the stability and safety when sitting on the chair. No worries about weight 500Lbs or more.

✅UNIVERSAL SIZE FITTING: Standard Gas Cylinder Socket: 2’’ (5 cm). Standard Caster Sockets: 7/16’’ x 7/8’’ (11mm x 22mm). The office chair replacement base has wide application in most types of chairs on the market like office chairs, computer chairs, gaming chairs, executive chairs and others.

【Upgraded Memory Foam】: Cut surface for more intense support and softness, providing superior pressure relief and comfort, gel infused into the pillow for cooling, better dissipating body heat than traditional memory foam.

【Adjustable】: According to your sleep habits, the internal memory foam can be pulled out to maximize air circulation while you sleep, ensuring your sleep experience to a greater extent.

【Washable and breathable】: The standard 1-piece pillowcase comes with a removable cover, machine washable for easy care, the pillowcase made of high thread count textile technology is more absorbent, silkier and more breathable than ordinary pillowcases.

[ Upgraded Class 4 Gas Cylinder ] This office chair cylinder replacement from Mastery Mart is made of premium steel. With the latest technique, it is class 4 which meets the highest industry standard (BIFMA/ANSI). Known to be durable and extremely strong, it is capable of supporting up to 450 lb.

[ 4 in Travel Length Meets Daily Needs ] Our chair piston is 4‘’ travel length, a universal choice for most people's home or office needs. It can be adjusted from 10.3 inches to 14 inches.

[ Universal Cylinder for Most Chairs ] Fits most chairs on the market like office chairs, gaming chairs, executive chairs, and the list goes on. The outer cylinder diameter is 2 inches (50mm) which matches the hole of the base, and the inner cylinder diameter is 1.1 inches (28mm) which matches the hole of the seat. Please confirm the measurement before ordering.

🌞BRIGHTER & ENERGY EFFICIENT - This LED light bulb saves up to 87% energy and your bill by replacing 60-watt with 8-watt. Same brightness but costs only 13% of your old light bulbs. At 8watts, the LED lamp emits a soft white output of 800 lumens. Replace your old incandescent bulbs for a brighter and more energy friendly home

🌻LONG LASTING - This value pack comes with 10 bulbs, with CRI80+, they provide you with vivid color and close-to-sunlight quality light. Light bulbs last at least 13 years for 3-5 hours per day saving you time and money. You won’t need to constantly change your lightbulbs anymore

🌟SMOOTH & DIMMABLE - Dimmable. The light bulb is compatible with most LED dimmers to have smooth dimming ranging from 10% to 100%. Create your favourite brightness to control the look and feeling of your space. No buzzing, and no flickering

With a life of 10,000 hours, the bulb will last over 9 years (based on 3 hours of use each day)

Provides 1600 lumens of light immediately, with no waiting time to warm up to full brightness

This LED light bulb uses only 15 watts of energy, saving up to $93.50 over the life of the bulb vs. its incandescent equivalent (based on 3 hours/day, 11 cents/kWh, may vary depending on rates and use). With a correlated color temperature of 5000 kelvin, this bulb simulates daylight, providing a crisp white light for any room

💡Ascher Pack of 12 Units E26 LED Filament bulbs replace 60W incandescent bulb by 6W LED, save over 90% on electricity bill of lighting. NOTE: This E26 LED bulb is not dimmable, please DO NOT use them with dimmer switch.

💡EXCELLENT PERFORMANCE: This vintage filament bulb preserves the design of traditional Edison light bulbs. Turns on at full brightness with brightness 700 lumens and 2700K Soft Warm White light. High CRI 80+ brings out vivid and natural colors. Low power consumption provides over 20,000 hours lifespan, reducing re-lamp frequency.

💡MULTI-FUNCTION: They fit into E26 screw base and install into fixtures directly. Suitable for chandeliers, pendant lighting, wall sconces, indoor or outdoor. Typically used for home or commercial decoration. Kitchen, living room, bedroom, bar, coffee shop, restaurant.

100W INCANDESCENT REPLACEMENT BULB - This LED lamp is an energy-efficient replacement and substitute for standard 100-watt incandescent lamps. At 14.5 watts, it emits a daylight output of 1450 lumens and a temperature of 2700K.

LONG-LASTING – These bulbs are a great energy-saving replacement for old bulbs because they have a total lifespan of up to 7 years. You won’t need to constantly change your lightbulbs anymore!

ENERGY-SAVING – These LED light bulbs require less energy and can save on your energy bill.

💡 Technical Features - 4 Packs, light bulbs 40 watts equivalent, E26 base, 3000k warm white, non-dimmable, A19 shape, AC-120V, CRI 80, 180 degree, turn on instantly

💡 Energy Saving & Long-lasting - Save up to 87.5% on energy costs by replacing 40W with just 5W, average 15,000 hours, up to 13.7 years(3 hours per day)

💡 Direct Replacement - Perfect replacement for incandescent light bulbs. No breakable parts and are free of toxic chemicals, they are safe for your family and the environment

💡Ascher Pack of 12 Units E26 LED Filament bulbs replace 60W incandescent bulb by 6W LED, save over 90% on electricity bill of lighting. NOTE: This E26 LED bulb is not dimmable, please DO NOT use them with dimmer switch.

💡EXCELLENT PERFORMANCE: This vintage filament bulb preserves the design of traditional Edison light bulbs. Turns on at full brightness with brightness 700 lumens and 4000K Daylight White light. High CRI 80+ brings out vivid and natural colors. Low power consumption provides over 20,000 hours lifespan, reducing re-lamp frequency.

💡MULTI-FUNCTION: They fit into E26 screw base and install into fixtures directly. Suitable for chandeliers, pendant lighting, wall sconces, indoor or outdoor. Typically used for home or commercial decoration. Kitchen, living room, bedroom, bar, coffee shop, restaurant.

💡 Technical Features - 4 Packs, light bulbs 40 watts equivalent, E26 base, 5000k daylight, non-dimmable, A19 shape, AC-120V, CRI 80, 180 degree, turn on instantly

💡 Energy Saving & Long-lasting - Save up to 87.5% on energy costs by replacing 40W with just 5W, average 15,000 hours, up to 13.7 years(3 hours per day)

💡 Direct Replacement - Perfect replacement for incandescent light bulbs. No breakable parts and are free of toxic chemicals, they are safe for your family and the environment

GREAT VALUE - 12 LED bulbs with 450 lumens of light output at only 6 watts. Replace your old incandescent bulbs for a brighter and more energy-friendly home

LONG-LASTING – These bulbs are a great energy-saving replacement for old incandescent bulbs because they have a total lifespan of up to 11,000 hours. You won't need to constantly change your light bulbs anymore

ENERGY-SAVING – These LED light bulbs require less energy and can save you up to 85% on your energy bill. Each soft white bulb works as a great replacement for an old 40W incandescent bulb

THE BEST NO-HEAT BULB FOR REFRIGERATOR: A waterproof alternative to heat-emitting bulbs, Vgogfly refrigerator light bulb emits not the usual blue-white light, but pure white light. It not only brightens your fridge or freezer but also gives it a new life.

WIDE-RANGING USE: Used in countless home appliances, Vgogfly led refrigerator bulb works well in both kitchens and bathrooms. It is especially suited for fridges, freezers, and bedside lamps, thanks to its small size.

ENERGY SAVING: Vgogfly 120v 40w fridge light have special LED filaments that consume only 5 watts worth of energy, while offering the equivalent of 40W of incandescent light bulb. Incandescent light bulb light about 1.5 hours, our fridge light bulb can light about 10 hours, and is therefore good for your energy bill.

Simple to Get Started; Set the mood with 16 million colors. Control your Philips Hue Smart Lights all with just the touch of a button on your mobile device or your favorite voice assistant. Add up to 10 Hue Bluetooth/Zigbee smart bulbs with the (free) Hue Bluetooth app. When ready to connect a voice assistant, just go to Settings > Add voice assistant in the Hue App.

Lifetime: 22 years or 25,000 lifetime hours (based on industry average usage), Energy Star Certified

Previous Hue Customers; This smart light, while Bluetooth compatible, will continue to work with your Hue Hub and can be seamlessly integrated into your current Hue Ecosystem. With the Hue Hub, you can control up to 50 smart lights throughout your home (even outdoor). Create timers and routines to automate your entire smart home lighting setup. Control your lights while away from home or add accessories such as motion sensors and smart switches to further enhance your experience.

💡【Technical Features】24 Pack, light bulbs 60 watt equivalent, E26 base, 3000K warm white, non-dimmable, A19 shape, AC-120V, CRI 80, 220 degree, turn on instantly.

💡【Energy Saving & Long-lasting】 Save up to 85% on energy costs by replacing 60W with just 8.5W, average 15,000 hours, up to 13.6 years(3 hours per day).

💡【Direct Replacement】Perfect replacement for incandescent light bulbs. No breakable parts and are free of toxic chemicals, they are safe for your family and the environment.