Manufacturer: Toalson IOMIC Shockless Color: Dark Blue Material: Special Silicone Size: Length 21mm x Width 20mm x Thickness 8mm Part Number: 1ENO125D Country of Origin: Japan Developed jointly by tennis manufacturer TOALSON and golf grip manufacturer IOMIC. The hardness of the silicone has been meticulously refined, and the vibration dampener suppresses the center two strings, not only absorbing shock but also stabilizing the trajectory. It reduces impact vibration and creates a comfortable hitting feel. Colors: Available in 9 colors. BK (Black) BL (Blue) GR (Green) OR (Orange) RED (Red) WH (White) YL (Yellow) D (Dark Blue) P (Pink) Shipping: Standard Mail (will be delivered to your mailbox.) (Package will be folded for shipping.) ★ Immediate purchase without comment is OK.