This perfect little velvety smooth vibe packs a strong vibration. With one simple AAA battery the VelvaFeel Bullet Vibe can provide you with up to 8 hours of play time. This travel-size toy is waterproof, too, so you can enjoy thrilling sensations anywhere you dare Measurements: 3.5 inches long, 0.75 inch max width, Material: ABS with VelvaFeel coating, Color: Purple, Note: Waterproof, Phthalate Free, Requires 1 AAA battery, not included