For the ultimate sensation: Insert the vibrating ball into the hole on the underside of the sleeve. Cleaning instructions: Remove the sleeve from the can and clean it thoroughly with Refresh® Toy Cleaner and warm water. To maintain the original softness of your PDX ELITE Vibrating Oral Stroker, apply Fanta Flesh Revive® powder after it has dried. Phthalate-free Waterproof Length: 6.5 inches (165 mm) Width: 71 mm (2.8 inches) Height: 71 mm (2.8 inches) Inner diameter: 1.5 inches (38 mm) Oral insertion length: 5 inches (127 mm) Weight: 11.3 ounces (320.34 grams) Features and functions: Batteries included, realistic (Fanta Flesh), phthalate-free, waterproof, discreet, vibrates Battery information: 3 LR44 / AG13 (1.5 V) (included in delivery)