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. 3 LR44 (AG13) batteries included. Extension measures 6.38 inches long by 1.53 inches diameter. Bullet measures 0.68 inch by 2.25 inches.