For the Ultimate Sensation: Insert the vibrating bullet into the hole on the bottom of the sleeve. Cleaning Instructions: Remove the sleeve from the can and clean thoroughly with Refreshr Toy Cleaner and warm water. To preserve your PDX ELITE Vibrating Oral Stroker's original softness. apply Fanta Flesh Reviver powder after it has dried. Length: 16.5 cmWidth: 7.1 cmHeight: 7.1 cmInner Diameter: 3.8 cmAnal Insertion Length: 12.7 cmWeight: 320.34 gramsBattery Info: 3 LR44 / AG13 (1.5V) (Included)Material: Thermoplastic Elastomer (TPE). ABS Plastic