The Tuff Sleeve from Tuff Toe(R) is a tapered tube with a tough rubber outer surface and a cotton interior. It slides easily onto wooden or aluminum baseball bats and has been tested to eliminate 25% of the force of impact between ball and bat without affecting ball flight, thus reducing vibration and extending bat life. FEATURES: Outer rubber surface Inner cotton fabric Eliminates 25% of the force of impact between ball and bat without affecting ball flight Extends bat life Reduces vibration Fits 2.25" to 2.75" barrels Model: TS100 Tuff Toe