A dual motor sleeve that puts the power of a jack rabbit behind your every thrust!- Vibrating pressure sensitive head with Mooncake Vibe. Dual vibrations. Super stretchy. Adds 1 inch length. Removeable variable speed bullet. Waterproof vibrations. Materials: Thermoplastic Rubber TPR sleeve, ABS plastic Mooncake Vibe and Bullet. Sizes: sleeve 4.75 inches in length by 2.5 inches in width by 1 inches depth. Bullet 2.25 inches in length by .625 inch depth Mooncake Mini Vibe found in sleeve head. 1.375 inches in length by .75 inch in depth.