An easy to use textured extension sleeve that vibrates!- 3.5 inches added- Super stretchy- Fits most men- Ribbed texture- Removeable bullet- Variable speed- Materials: Sleeve TPE. Bullet ABS- Sleeve size: length 7.5. Diameter 2- Bullet size: length 2.25. Diameter 2- 3 LR44 (AG13) Batteries included