This ice hockey is made of PU material. They are made according to the strictest standards of hardness, weight, flatness and surface quality. Features anti-slip texture, these pucks are for accurate shots and . Great sports supplies for athletes and beginners. Features -Color:Black -Material:PU -Size:7.40X7.40X2.40cm/2.91X2.91X0.94in -Beginners who play hockey punk have a stronger sense of competition, and they are more willing to face and solve problems when they're suffering setbacks. -Fine PU material, very durable. Lightweight, center molded for strict uniformity. -High hardness, dense and clear texture, good resilience, enhancing the adhesion between the roller hockey stick and the . -The is great for indoor and on smooth surfaces, has great durability and can slide easily and smoothly across multiple surfaces. -Fine workmanship and good material, we offer you the fine process and good use experience. Package list: 6 x Hockey Pucks