STANDARD OFFICIAL SIZE: [NOTE: ONLY 1 PACK OF THIS PACKAGE.]Practice Baseball's Circumference: 10 inch, and stitches:108, which can provide adult and youth lovers effective training. LOW IMPACT CONSTRUCTION: High-quality PU, providing certain softness and comfortable Contact feeling. The safety baseballs have a soft, cushioned construction which can reduce impact produced during ball catching. EXQUISITE SEAMS DESIGN: Double handcraft lining for added strength of the training baseball and it also makes the ball have an authentic look and increase the aesthetic perception. UNMARKED: The Sport training baseball is totally blank. You can write or paint it and make your own design, maximizes room for autographs that stand out against the white background. MUTI APPLICATIONS: Adult youth baseball for League Play, Practice, Games, Competitions, Gifts, Keepsakes, Arts and Crafts, Trophies, and Autographs. Colour: White Material: Foamed PU Size: Diameter 7.5cm Package Contents: 10 x Baseball Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.