Get ready for an exhilarating ride. The Key™ by Jopen® Io 3-in-1 Mini Massager is like 3 massagers in 1; it comes with two removable silicone sleeves and an ABS plastic body that can be used alone or with either sleeve. Waterproof construction makes it perfect for bath or shower playtime. Five strong vibration patterns. Included travel bag. 4 1/4" long x 1"dia. Uses one AA battery (not included).This item is non-returnable.