Anal bullet-butt plug comes with a 10-speed vibration mode. going up to 11.000 rpm. The smooth 100% pure silicone and ABS ensure. together with sufficient lubrification. for a smooth entry and exit. Waterproof. Measures 5.3 in. (13.5 cm) high. 2.5 in. (6.3 cm) diameter. Three LR44 batteries included.