Happy Endings Mstr B8 Vibrating Ass Pack Bum Rush 5 Piece Kit from Global Novelties. Mister B8 Bum Rush Vibrating Ass Pack. Waterproof bullet vibrator adds vibration. Realistic look and reusable. 6 inches stroker sleeve, tight textured tunnel. Super stretchy to fit any man. Easy to use and easy to clean. 100% Silicone Cock ring set. 1.8 inches, 2.2 inches and 2.4 inches standard ring sizes. Phthalate fee and body safe. Made using body safe phthalate free materials Thermoplastic Elastomers TPE. Bullet vibrator uses 1 AAA battery, not included.