Realskin penis extender includes a removable bullet. Uncircumcised sleeve adds 3 in. to length but can be trimmed to the desired length. Adds 30% to girth. Waterproof. Three LR44 (AG13) batteries included. Extension measures 6.38 in. long by 1.53 in. diameter. Bullet measures 0.68 in. by 2.25 in.