Color: Silver Height: 7.500 Length: 3.750 Diameter: 1.000 The 5.5" Platinum Power Bullet is probably the biggest bullet you have ever seen. It offers three speeds of satisfaction. This massager is wireless and waterproof, so you can enjoy it any time or place you want. Four AAA batteries are required, not included, for vibrations. It is time to add this bullet to your arsenal.