Multi-layer cushioning system absorbs collisions while preventing clubheads from rubbing together. protects against bag-induced scratches and preserves original club aesthetics. Product material: PU leather + plush lining. Product size: Width: 9 cm/3.54 inches, Length: 16.3 cm/6.42 inches. Product weight: 320g/set. Product specifications: 10 pieces/set (number 4-9PASX). Product features: waterproof, anti-collision and protection of the club head. Installation: Just put it on the club head.