Enhancement sleeve in a realistic shape includes a removable bullet vibe at the base to add vibrations. Sleeve is Made from soft and stretchy clear TPR with Pleasure points all along the shaft. Stimulates both you and your partner. Waterproof. Vibe uses 3 LR44 batteries, included. Sleeve measures 6 in. long by 1.5 in. wide. Adds 2 in. of length to the penis, plus girth.