Playing HockeyPuckscan not only improve their physique, but also their flexibility, upper body strength, and ball sense.Beginnerswho play hockey punk have a stronger sense of competition, and they are more willing to face and solve problems when they're suffering setbacks. Features -Color:Black -Material:PU -Size:7.40X7.40X2.40cm/2.91X2.91X0.94in -This hockey puck is suitable for daily training and competition of roller hockey. -It is a great choice for hockey players, teams, clubs, association and arenas!Smooth and flat on both sides, with dense texture, clear and tidy. -It's very important to cultivate teenagers' interest in ice hockey in their early age, it can not only improve their physique -Lightweight, high density for speeds. Low-friction glide for ultimate speeds on a smooth surface. -For smooth indoor and outdoor surfaces, such as court, ice court, smooth concrete, wood.Package List6 x Hockey Pucks