Best Plastic Casting Molds in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Plastic Casting Molds

iSuperb 4pcs Clock Resin Molds Large Roman Numerals Constellation Number Clock Silicone Mold Epoxy Clock Mold for Resin, Polymer Clay, Gum Paste DIY Wall Clack Art Decoration(4 Big Clock Molds)
#TOP1
Isuperb 4Pcs Clock Resin Molds Large Roman Numerals
9.3
PM SCORE
iSuperb 1 Set Resin Molds for Pencil Case, Box Silicone Casting Molds DIY Pencil Holder Silicone Box Mold with Lid Resin Jewelry Box Molds for Epoxy Pen Case Stationery Box (2pcs Silicone Mould)
#TOP2
Isuperb 1 Set Resin Molds For Pencil Case,
9.1
PM SCORE
iSuperb 4 PCS Silicone Resin Molds Compact Mirror Cover Molds Cute Shapes Travel Mirror Epoxy Molds for DIY Double-Sided Foldable Mini Pocket Mirror for Purses and Travel (4 PCS Resin Molds)
#TOP3
Isuperb 4 Pcs Silicone Resin Molds Compact Mirror
7.9
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Plastic Casting Molds of 2026

Isuperb 4Pcs Clock Resin Molds Large Roman Numerals Constellation Number Clock Silicone Mold Epoxy Clock Mold For Resin, Polymer Clay, Gum Paste Diy Wall Clack Art Decoration(4 Big Clock Molds)

ISUPERB
EU-6M0572A-M
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EasyFutureMart US 7.25

Features

4 Large Clock Molds: Package will included 4 pieces large resin clock molds, not included finished and clock core parts. External diameter of the large silicone molds about 15.4 cm/6.06inch; The clock core diameter about 0.8 cm, you can match with right clock mechanism.

Quality Material: Our resin clock mold is made of silicone, which is flexible, resistant to tearing, durable for multi use, so you can handmade DIY enough clock works.

Clock Shapes: These clock resin molds will have Roman numerals, Arabic numerals, Hollow numbers and 12 constellations molds for available. Every clock molds has its own characteristics, they are worth creating.

Strong Practicality: If your resin clock works install with pointer mechanism can used for daily. Or just painting the core parts can used for wall clock hanging in living room, bedroom, office and other home decorations.

Easy to Operate: The silicone clock molds has smooth inner, so it will very easy to demould after resin fully cured, you just need to wait about 1 days after pouring resin, then slowly peel your works from the edge of the mold, great for resin lover or beginners.

Isuperb 1 Set Resin Molds For Pencil Case, Box Silicone Casting Molds Diy Pencil Holder Silicone Box Mold With Lid Resin Jewelry Box Molds For Epoxy Pen Case Stationery Box (2Pcs Silicone Mould)

ISUPERB
EU-6M0517A-M
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EasyFutureMart US 7.65

Features

1. Package included 2 pieces silicone molds for DIY 1 set pencil case. The pencil box molds with lid, there are little lips on the lid, it snaps shut together itself!

2. High quality and safe silicone material, high flexible make it quick recovery after bending; durable and reusable, high transparency, easy to use and clean.

3. The pencil box molds can multiple use to DIY different storage case for place pens, cards, dominoes and coin. Can be used a nail tool case, cosmetic case and Jewelry box, make your desktop cleaner.

4. If you want your pencil box is outstanding and unique, you can pick some different flowers and leaves in your yard and use them as your resin fillings after drying.

5. These silicone molds is easy to release after wait your resin epoxy fully hardened. If there has bubbles during pouring resin, you can use a toothpick or other smooth tool to burst the bubbles, and the finished will perfect!

Isuperb 4 Pcs Silicone Resin Molds Compact Mirror Cover Molds Cute Shapes Travel Mirror Epoxy Molds For Diy Double-Sided Foldable Mini Pocket Mirror For Purses And Travel (4 Pcs Resin Molds)

ISUPERB
XQM0820
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Top Chic Collection US 6.26

Features

❤ Creative Mirror Mold: There are four molds with different shapes including seashell, cat, rose and diamond. ATTENTION: The pack dose NOT include mirrors, just 4 molds. For the matching mirrors please place another order.

❤ Material & Sizes: Foldable Mirror Cover Molds are made of quality silicone, smooth and durable, Shell Mold: 6.3" x 3.07"; Cat Mold: 5.5" x 3.07", Rose Mold: 6.3" x 3.07"; Diamond Pattern Molds: 6.29" x 3.07"

❤ Easy to use & Assemble: Flexible molds are very easy to fetch out the finished item after it’s completely cured. You can check the casting process with it' s transparent appearance. Glue the two halves of the finished item, and then remove the glue film on the back of each mirror, stick two mirrors inside the cover firmly, the you can get a wonderful compact mirror

❤ Practical Compact Mirror: Use our molds to make cute and personalized mirrors that can fits in your purse or handbag, easy to carry wherever you go. Perfect for makeup when you go out or travel

❤ GREAT GIFT: Stylish design of finished compact mirror are suitable for women of all ages. Creative mirror molds are the best gift for resin craft lover or makeup lovers, it can also help you to make gift for yourself, friends, mother, daughter on birthday, anniversaries or holidays

Isuperb 3Pcs Clock Resin Molds Roman Numerals Constellation Number Clock Silicone Mold Epoxy Clock Mold For Resin, Polymer Clay, Gum Paste Handmade Diy Wall Clack Art Decoration(3 Small Clock Molds)

ISUPERB
EU-6M0572B-M
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EasyFutureMart US 7.56

Features

3 Small Clock Molds: Package will included 3 pieces small resin clock molds, not included finished and clock core parts. Outer diameter of the small silicone molds about 10.5 cm/4.13inch; The finished clock diameter is about 9.9cm/4inch.

Quality Material: Our resin clock mold is made of silicone, which is flexible, resistant to tearing, durable for multi use, so you can handmade DIY enough clock works.

Clock Shapes: These clock resin molds will have Roman numerals, Arabic numerals, Hollow numbers and 12 constellations molds for available. Every clock molds has its own characteristics, they are worth creating.

Strong Practicality: If your resin clock works install with pointer mechanism can used for daily. Or just painting the core parts can used for wall clock hanging in living room, bedroom, office and other home decorations.

Easy to Operate: The silicone clock molds has smooth inner, so it will very easy to demould after resin fully cured, you just need to wait about 1 days after pouring resin, then slowly peel your works from the edge of the mold, great for resin lover or beginners.

Isuperb Clock Resin Mold Flower Clock Silicone Molds With Clock Movement Accessories Diy Decortives Clock Molds Epoxy Casting Mold (Small)

ISUPERB
CAM1149B-1
11.02 X 10.24 X 0.39 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
iSuperb 9.86

Features

High-quality Materials: This silicone resin mold is made of high-quality materials, easy demolding, and thickened material, strong and durable, tear-resistant, and can be cleaned and reused.

Complete Accessories: We not only provide you with the surface mold of the clock, but also provide you with a set of suitable size of clock accessories. You don't have to look for other accessories to DIY the clock you want.

Stylish Design: The design of the clock mould is integrated, the contours of the flowers and leaves are cleaned, and four Arabic numerals are designed to be integrated in the upper, lower, left and right sides, which is convenient to quickly identify the precise time.

Widely Used: You can use this mold to make a variety of craft projects, you can make clock tools for the living room and bedroom, coasters for large measuring cups, decorative items for home decor.

Ideal Gift: Use this DIY clock mold to give full play to your imagination. Share the fun of DIY with your friends or family. Finished products can not only be used to decorate their own room, as a gift to family or friends, this will be a unique perfect gift.

Isuperb Box Resin Mold Candle Holder Mold Storage Case Silicone Mould Pen Holder Epoxy Mold Diy Casting Mold For Jewelry Desktop Cosmetics Trinket Organizer Home Decoration (A)

ISUPERB
CA-M2180A-01
2.90 X 5.40 X 0.30 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
iSuperb 9.86

Features

Material : Our molds for resin adopts premium quality silicone material with excellent elasticity, superior high tear strength, and a glossy interior surface, durable and reusable.

Various Shapes: We have 3 different novelty and elegant shapes for you choose, great to DIY unique pen holders to decorating you desk.

Wide Application: Large resin mold perfect for making decorative resin crafts such as ash, tray, pen holder, soap holder, wax candle holder, flower plants port, compatible with most resins or other casting materials.

Create your own style: in the process of creating resin crafts, you can add some sequins, resin dyes, dried flowers, beads, shells, foils and other decorative items you like into to add a delicate effect for the outlook of your creations.

More usages: these easy operating silicone epoxy moulds are suitable for people of different ages, you can invite your family or friends to enjoy handmade project together, enjoy free time.

Isuperb Pen Holder Resin Molds Organizer Silicone Mold Epoxy Casting Mold For Makeup Brush Storage Pens, Scissors, Glue Jewellery Trinket Vase Small Box Diy Crafts (Pen Holder Resin Mold)

ISUPERB
CAM2067A-01
0.79 X 0.39 X 0.79 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
iSuperb 9.86

Features

Material: The resin mould is made of high quality silicone,soft,durable,reusable,washable and wearable,easy to de-mould and clean.The finished product has high precision and exquisiteness.

Size:19.1*9*7.1cm/7.5*3.5*2.8inch.Large enough capacity to store your pens, makeup brushes, and other desktop storage

Pen holder shape: Pen holder shape are really attractive, with a high-level artistic sense and a wide range of creative space, and can stimulate inspiration and imagination in the creative process.

Wide Application: The end product can be used as a pen holder,vase,sundries box,makeup brush holder,storage box.Use your imagination, let it embellish your room and create unlimited value.

Best Gifts: it can be used as a creative gift for children, parents, friends or lovers on Children’s Day, Thanksgiving Day, Christmas or a party.Use your unlimited imagination and show your charm. 

Isuperb Wine Glass Holder Resin Molds Shot Glass Serving Tray Silicone Molds Cup Coaster Epoxy Mould Wine Rack Resin Casting Mold For Bottle Holder Diy/Decorative (Wine Rack Resin Mold)

ISUPERB
CAM1135A-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
iSuperb 9.86

Features

Material: The shot glass molds for resin casting without the difficult to demold, thanks to a smooth interior surface and stain-resistant silicone finish.

Size: Tray diameter size is 25.5 cm/10.04 inch, shot glass holder size is 7.7 cm/3.03 inch,6.3 cm / 2.48inch.The perfect size can hold a family’s wine glasses, saving you time back and forth.

Wide Application: It can be used to make shot glass holder tray, Perfect serving tray mold to DIY shot glass holder for parties, hotels, restaurants, bars, night clubs etc.

7 Notches Shot Glass Resin Molds: Tray resin mold is designed to fit a set of 7 beer glasses to hold beer glasses for a tempting presentation. Beer lovers and brewers rejoice.

Best Gift: This wine glass tray resin mould is ideal as a nice gift to your family and friends on New Year, birthday, Thanksgiving and Christmas, showing your love and care.

Isuperb 4 Pieces Resin Molds For Mirror Cosmetic Mirror Epoxy Casting Molds Mirror Silicone Molds Bear/Cat Makeup Mirror Molds (4 Pieces)

ISUPERB
CAM1115A-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
iSuperb 9.86

Features

Material: These resin silicone molds are made of durable silicone. Flexible, smooth and reusable epoxy molds.

Size: Bear Mold Size: 26 x 14.4 x 1cm / 10.2 x 5.6 x 0.39inch, Cat Mold Size: 26.2 x 14.5 x 1cm / 10.3 x 5.7 x 0.39inch, Mirror Diameter: 12.5cm / 4.9inch.

Wide Usages: Perfect for making craft projects making and jewellery DIY Mirror, Cosmetic Mirror or other jewelry items.

Best Gift: Perfect for you and your family DIY together. Give your gifts to your loved ones, friends on birthdays, Christmas, New Years, weddings, etc.

Package including :2pcs silicone mirror frame molds and 2pcs mirror glass, sufficient styles to meet your DIY needs.

Isuperb 3Pcs Hair Clips Resin Molds Butterfly Epoxy Molds With 10Pcs Hair Pin Silicone Casting Molds For Diy Jewelry Making, Women, Charm Decoration

ISUPERB
CAM2457A-1
1.97 X 1.97 X 3.54 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
iSuperb 9.86

Features

Package content: You will received 3pcs different resin mold ,5 pieces of sliver metal hairpins and 5 pieces of goldmetal hairpins. which can easily design and create your own exquisite hairpins, suitable for almost all clothing, hair colors and hairstyles.

High Quality Resin Molds: The resin butterfly molds are made of durable silicone , flexible, reusable and easy to use. The hair clip accessories are made of high quality metal. Smooth, not easy to be faded, bright and elegant.

Variety of styles: Our pendant molds include 18 different shapes and come with their own holes, so no drilling is required. You can use them to make creative pieces.

Easy to Use: First pour resin or epoxy into the hair clip resin molds; Add your favorite decorations; After the resin fully cured, push your resin product out; Glue the resin pieces to the metal alligator clips; Finally, you will get beautiful handmade hair clips.

Amazing Gifts: With our hair pin molds, you can make different styles of resin hair clips. You can share with your family members , friends and more. Send to them as New Year gifts, Christmas gifts, birthday gift and so on.

Isuperb Butterfly Resin Molds Hair Clips Epoxy Molds With Silver Alligator Hair Pin Silicone Casting Molds For Diy Jewelry Making, Women, Charm Decoration (Butterfly Molds + 4Pcs Hair Cilp)

ISUPERB
CAM2457A-1
1.97 X 1.97 X 3.54 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
iSuperb 9.86

Features

Package content: You will received butterfly mold and 4 pieces of sliver metal hairpins, which can easily design and create your own exquisite hairpins, suitable for almost all clothing, hair colors and hairstyles.

High Quality Resin Molds: The resin butterfly molds are made of durable silicone , flexible, reusable and easy to use. The hair clip accessories are made of high quality metal. Smooth, not easy to be faded, bright and elegant.

Size: Butterfly mold-9.5x5.5cm/3.7x2.2inch.hair clip-5.8x1cm/2.3x0.4inch.You can also use butterflies and hair clips separately, beautiful butterflies can be used to decorate everything.

Easy to Use: First pour resin or epoxy into the hair clip resin molds; Add your favorite decorations; After the resin fully cured, push your resin product out; Glue the resin pieces to the metal alligator clips; Finally, you will get beautiful handmade hair clips.

Amazing Gifts: With our hair pin molds, you can make different styles of resin hair clips. You can share with your family members , friends and more. Send to them as New Year gifts, Christmas gifts, birthday gift and so on.

Top 10 casting molds Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Isuperb 11

Top 10 casting molds Brands Pie Chart


We've carried out a comprehensive analysis of 524 reviews on casting molds, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select casting molds priced around $15.38, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 11 casting molds for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right molds Products based on their needs, saving them considerable time when choosing which casting molds to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.