Best Flat Seam Baseballs in 2026

IDEAL FOR COLLEGE AGE & BELOW, these 1 dozen flat seam baseballs are designed to withstand repeated impacts during both practice and game play

PERFECT FOR USE IN PITCHING MACHINES, the flat seam design provides consistent pitch location accuracy

ADDED DURABILITY thanks to the full-grain leather cover

Athletic baseball equipment: Spend time outdoors with Champion Sports’ Plastic Baseballs; Perfect for practicing your pitch, batting skills, or for some leisure time playing catch with friends

Regulation size balls: Each plastic hollow ball has a 9 inch circumference so you can use them for pitching, batting, throwing, and catching practice to improve your baseball game every time

Fun for all ages: Little kids and adults alike will love these highly durable baseballs thanks to their hollow design that allows nonstop fun whether playing baseball or fetch with a pet

DOL-1 is a premium Diamond Seam game ball that is produced with high-quality materials and components. Featuring a NOCSAE and NFHS stamp approved for high school gameplay

DOL-1 is constructed with a Cork & Rubber Core for unmatched shape retention, while the Yarn Wound Outer Mantle creates a firm, solid feel.

The Premium Full-Grain Leather Cover on the DOL-1 offers long-lasting durability and provides more feel resulting in increased accuracy when throwing.

【Value Ball Package】 You'll get 20 pack baseball training balls for endless fun. Each baseballs' circumference is 9 inches, and about 2.8 inches in diameter. 20 pieces high visibility colorful practice baseballs, which are easy to see in a large grass field, you never have to worry about losing them. Perfect for beginners or any baseball fanatics who want to to practice pitches, batting, throwing and catching skills.

【Durable Ball】 Our baseballs are made from hight quality durable squishy EVA materail which allows them to pop back into their original shape after they're hit. They are more durable than traditional plastic training baseballs.

【Safe Ball】 The hollow practice ball come with 26 holes, provide low flight resistance, true spin and accurate distance. It's easier to throw and hit than heavier baseballs. The hollow design is lightweight and safe to make it less intimidating for beginners but strong enough to handle repeat practices.

⚾ IMPROVE YOUR PITCH VELOCITY AND STRENGTH - Throwing velocity is one of the most prized characteristics of the competitive baseball pitcher. Each additional 1-mph increase in ball velocity decreases the batter's time to react by about four milliseconds (roughly 1%). It may be small, however, the difference between a hit and a strike is measured in milliseconds. That's where training with our weighted baseball fits in, to help you get more strikeouts!

⚾ MADE TO LAST - Constructed using the same materials as official baseballs with a diameter of 73mm. Thorza weighted training baseballs will hold their shape and resist damage for many years of use. Their white color with red double stitching is the final detail in our mission to reproduce the exact look and feel of an official baseball.

⚾ EXTENDED WEIGHT RANGE AND MORE BALLS - This set contains 4 practice baseballs that range from 6oz to 12oz. Create a training program that's perfect for you or your students. Start increasing your fastball speed as soon as you receive them!

DIMPLED - White training baseball that looks and feels like a genuine baseball off the bat

SEAMS - Red seams add authenticity and helps trains the batters eye to better recognize live pitching

PATENTED - The seam inset into the ball which protects the color from fading or wearing off after repeated use

1 Dozen Baseballs

Super Seam Technology: With seams 20% higher than raising seam baseballs, pitchers experience superior control on the mound. Fielders can locate the ball quicker in their glove and throw with more accuracy.

Dura-Core Technology: Added to red cushioned cork to help the ball retain hardness. Formed to withstand impact and give you the game changing performance you need.

OFFICIAL SIZE-Standard Soft Baseball with Polymer Suitable for League Practice Training Games Weighted Ball

EASY TO GRIP-Appropriate Touch Feeling Machine Pitching Suitable for Youth Boys

BLANK BASEBALLS-Good for Signature or Customization or Gift for Youth

GENUINE - Leather cover for a true authentic look and feel

SEAMS - Flat Kevlar seams add durability for long-lasting use in pitching machines and hitting drills

SIZE - Official size (9") and weight (5 oz. )

SOFT & SAFETY FOR KIDS/BEGINNER - The soft baseballs are made up of PU foam. To those beginner/kids who want to practice baseball, the Packgout Foam baseballs can be your best choice! It is harmless and safe to the people or stuff around you. You don't need to worry about things like breaking windows anymore!!

STANDARD SIZE - The product is made as 8.8 inch perimeter baseball size, a little bit smaller than the standard 9 inch baseballs size. you will have a good experience with it. The soft baseball / training baseball that provides instant feedback. Let's enjoy the hitting of the Packgout Baseballs. The Packgout Youth Baseballs allows you to train indoors and train outdoors.

WORK FINELY WITH PITCHING MACHINE - The Packgout Soft Baseballs work perfectly with baseball pitching machine. You can load up your pitching machine with Packgout training baseballs! Help you practice hitting or just have fun with your dog!

Official League Baseball

Precision Molded Cushion Cork Core

Metered Tension 5 Percent Wool Yarn

What you will get: come with 14 pack yellow practice baseball for baseball training, classic ball design will help you improve strength, skill and enjoy the fun of process

Durable material: baseballs are made of soft plastic which allow them to pop right back into their original shape after they're hit. They are more durable than traditional plastic training baseballs

Humanized design: 26 holes hollow design provide low flight resistance and helps to emulate the spin of a real baseball, these balls are ideal choices for practice pitches, batting, throwing and catching skills

Standard game baseball training baseball100% Leather baseball 9 inch baseball

Professional quality baseball are constructed with a leather cover and red rubber center core for maximum durability,dependable and built to last.

Competition level Even stitch, regular, beautiful and durable, raised red seams provide a more secure grip when throwing.

LONG TOSS; This set focuses strictly on our long toss phase of our throwing program; Allows you to hone your strength building with this progressive system

8oz 10oz 12oz; With multiple options, the athlete can choose which ball to use based on the player's strength level; Allows the athlete to build form and strength with overweight regulation size baseballs

PORTABLE; Set up in any backyard, park or camp thanks to the included carry bag that fits all playing pieces; Sets up in just minutes; Constructed with double-stitched seams and durable fabric for anywhere, anytime fun; Packs flat for storage

【ULTRA DURABLE BASEBALLS】: Made of durable synthetic leather cover, rubber centers and cork filling, competition level even stitch, regular, beautiful, particularly durable. Super Seam Technology make seams 20% higher than raised seam baseballs, pitchers experience superior control on the mound. Note: Please use an iron or wooden bat to hit the baseball. Do not use an alloy baseball bat to hit the baseball, otherwise it may deform the ball.

【PRACTICE BALLS】: These baseballs are perfect for practice or warm up. They have the feel and weight of regulation baseballs when hit, caught or thrown at a fraction of the cost. Perfect heavy training balls for both pitching, throwing, fielding and hitting practice. Durable synthetic leather cover allows players to continually train with these baseballs.

【OFFICIAL SIZE】：The baseballs is made as 9 inch, weight: 5 oz, and stitches:108, box of 12 balls. You will have a good experience with the sport baseball. Standard size and weight making them the best choice of leagues, coaches, parents, and players in America.

Official size and weight ( 9 inch, 5 Oz) and 108 stitches of Baseball.

Raised seams deliver improved grip over flat-seams.

Full grain leather (blem)+ Cushioned cork center/ wool yarns baseballs

Regulation size 9-inch baseball, weighs 5 ounces

Full grain leather cover

Great game or practice ball

⚾⚾【TRAINING BASEBALLS ULTRA DURABLE】: DURABLE Synthetic Leather Cover and Cork Filling,Features Traditional Red Stitching,Set of 12 Father's Day Gifts, Children's Day Gifts, and Christmas and Birthday Gifts

⚾⚾【PRACTICE BALLS】: These baseballs are perfect for practice or warm up. They have the feel and weight of regulation baseballs when hit, caught or thrown at a fraction of the cost. Perfect heavy training balls for both pitching, throwing, fielding and hitting practice. Durable synthetic leather cover allows players to continually train with these baseballs.

⚾⚾【UNMARKED BASEBALLS】: No manufacturer's identification at all. Perfect for private custom with a lot of room for autographs or your logo, creative ideas. With the right signatures or images, this baseball is a great addition to any baseball fan.

Split Leather +Cushioned cork center/ wool yarns baseballs for Competition and training.

Professional Official Size: (9 inch), weight (5 oz), and stitches (108) of Baseball.Raised seams deliver improved grip over flat-seams.Competition and practice grade.

Solid and Durable:Cushioned cork center/ wool yarns ,durable split leather covers, raised seams for easy grip.

Kevlar reinforced flat seams designed for use in a pitching machine

Dual color seams for easy identification

A Grade grey wool blend winding

6-GALLON BUCKET: This 6-gallon bucket of baseballs is a great way to stock your equipment arsenal with balls ideal for high school practices and youth games.

30 BALLS INCLUDED: Includes 30 Champro CBB-200 official league baseballs with cosmetic blemishes.

OFFICIAL LEAGUE BASEBALLS: All baseballs in the bucket are made with a full-grain leather cover, raised seams, and cushion cork core wound with metered tension 5% wool yarn.

PITCHING MACHINE BALLS: These balls’ kevlar stitches endure more than 1000 machine cycles, making them capable of handling continuous practice with pitching machines in batting cages.

DURABLE LEATHER COVER: A full-grain leather cover makes these baseballs naturally durable enough to withstand repeated blows from the hardest hitters.

PERFORMANCE QUALITY CORE: A cork and rubber core wound with metered tension 5% wool yarn gives this ball authentic performance and feel off the bat.

Pro grade gray wool windings and a premium leather cover make this the top-of-the-line baseball

Proprietary winding technology creates a more durable, high compression core for the best performance

Cushioned cork center

Real Leather

Shorter Laces

Flat on two sides

Cowhide 100%. The PK-030 baseball surface is made of Japanese full grain leather

Medium to high grade cowhide

Official Regulation Size: This PK030 baseball meets the exact dimensions required for official baseball play, ensuring a professional-grade experience.

Mark 1 Official League Flat-Seam Baseballs (12-Pack)Features

BASEBALL TRAINING BALLS: The Play9 Throwing Baseball Spinner with 2 seams is a training ball for baseball players that provides instantaneous feedback on every throw. It is engineered for youth & professional players to help them develop proper throwing mechanics for all types of pitches.

PLAY 9 SPINNER BALLS: With our 4-seam, 2-seam, regular, and curveball baseball spin trainers, you can improve pitch efficiency, accuracy, and spin rate. The goal is to get behind the baseball and release it flawlessly. When done correctly, the ball will have a little wobble and rotate smoothly.

PITCHING TRAINER BALL: This baseball training aid is designed to teach the pitching spins and rotation directions in fastpitch baseball. Be it the basics of releasing the baseball or the advanced spins of the rise, curve, or drop, the Play9 Baseball Spinner is an essential tool to develop pitches like a fastball, split-finger fastball, curve, change, slider, sinker, and screwball.

Enough to Play: you will receive 96 pieces of baseball training balls, sufficient to meet your daily entertainment needs, and you can also share them with your good friend

Solid and Dependable: the training baseballs are made of quality plastic, sturdy and solid, not easy to fade or break, reliable to withstand hitting, batting and pitching, easy to accompany you for a long time

Hollow Design: our practice baseballs for hitting design in a hallow shape, limited flight and lightweight, you can easily hook the hollow ball with your fingers, and you can also use other batting tools, to give you a satisfying experience

Soft Baseball Set: the package contains 24 pieces of foam baseballs in red, and the sufficient quantity allows you to throw with confidence without picking up your balls constantly, suitable for outdoor activities and lessons

Soft Pu Foam: these foam softballs are mainly made of soft PU foam, which is suitable for children who are starters and want to play baseball, and the soft material makes them safe to play, not likely to break the windows

Detailed Size Information: these baseball training balls measure about 2.8 inches in diameter, and about 9 inches in circumference, which is like real baseballs, offering you a vivid training experience

Made of A-grade leather, the Official League Collegiate Flat Seam Baseball makes transitioning from practice to game easy

New collegiate flat seams

Proprietary winding technology creates a more durable, high compression core for the best performance