So amazing, this vibrating penis sleeve has won a prestigious toy-of-the-year award! What makes it special: its Pure Skin® real-feel texture is incredibly soft and stretchy, while its superior suction provides the tight stimulation many men enjoy. Fun for couples to enjoy together-and yes, it glows in the dark! It also includes a removeable vibrating bullet that fits inside, creating strong sensations. (Women enjoy the bullet, too!). Uses 3 AAA batteries (not included). TPR sleeve is 5 1/2" l x 2 3/4" diam; plastic bullet is 2 1/4" l x 3/4" diam.