1. VARIOUS COLORS AND DESIGNS: Each package includes four tennis vibration dampeners in different colors and designs, allowing users to choose or share them before playing or training. 2. HIGH-QUALITY SILICONE MATERIAL: Made from durable and resilient silicone, this tennis racket dampener measures approximately 2.5 x 2.5 x 0.6 cm (0.98 x 0.98 x 0.24 inches), making it compact and easy to carry or store. 3. UNIVERSAL FIT: Compatible with most tennis rackets on the market. Features small slots on both sides for easy installation between the strings, ensuring convenient and hassle-free use. 4. IDEAL GIFT FOR TENNIS PLAYERS: A practical gift for tennis enthusiasts. Helps reduce string vibrations and may improve shot feel, while adding a personalized touch to a player's gear.