2.25"x 1" / 6 cm x 3 cm. These satin finish, ultra-powerful waterproof bullets are available in our most popular sizes. Featuring a new splashproof EZ load battery pack, this product delivers intense 7 functions of vibration, pulsation, and escalation. It also includes an EZ on/off button for convenience. Made from ABS with a satin finish (PU Cote). Requires 3 AAA batteries.