Mounting disc (included) helps suction cup attach to textured or porous surfaces.Care & Cleaning: Wash With Soap and Water, Air Dry. Keep your tub tidy and toys contained with the hanging bath toy storage with quick drying mesh. Mesh fabric increases air so toys dry quickly. Super-strong suction cup securely mounts to tile and fiberglass tub walls - adheres best to smooth, non-porous surfaces. Extra-large mouth makes grabbing multiple toys quick and easy (toys not included).