PU foam construction delivers durability, precision and bounce. It glides smoothly and features a unique pattern and smooth sides for consistent friction and control. Official regulation: 3 inch diameter and 1 inch thickness; conforms to official international competition standards for practice and training. Four-piece set: a practical gift for hockey enthusiasts who want to work on skills. Youth training boost: helps develop upper-body strength, flexibility and puck control; promotes a competitive spirit and strategic thinking. Use scenarios: - On-ice practice: stick handling, passing and controlled shots during drills. - Off-ice training: use in garage or driveway to improve speed, agility and hand-eye coordination. - Team warm-ups: quick skill stations to build confidence and consistency during practice.