The Vulcan Deep Throat amplifies your strokes thanks to it's vibrating bullet and remarkably life-like feel! Its tight and textured inner tunnel is open ended and removable for easy cleaning. It's waterproof hang cord also makes it easy to store. Requires 3 AG13 batteries (included) Length: 6.15 in. (15.621 cm) With: 2.5 in. (6.35 cm)