There are knurled edges giving an authentic puck like feel with improved grip for more precise stick skill training and a glide pin design allowing for enhanced speed with superior stability while playing. With resistance to hot and cold temperatures and plenty of wear and tear, this product is perfect for practicing your hockey shooter and handling skills on the ice or in the summer to keep your skills sharp. It is constructed of plastic material. The diameter of product is 75mm. The thickness of ball is 23mm. The total thickness of ball with bead is 29cm. It is very suitable for hockey training. Item Name: Hockey Ball Material: Plastic Features: High Impact, Good Resilience, Wide Application Size Details: Diameter: 7.5cm/2.95" (Approx.) Ball Thickness: 2.3cm/0.91" (Approx.) Ball with Bead Total Thickness: 2.9cm/1.14" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Hockey Ball