Premium Air Flow Cup Stroker from Tenga Master's craft edition is a novelty from a respected manufacturer of male masturbators. The inside of the sleeve has intricate details that affect the quality and intensity of sensations. The internal pressure can be controlled by plugging and unclogging the opening at the top of the product. The whole can be easily taken apart and washed. A network of stimulating tabs inside the sleeve. Intense sensations. Internal pressure control. Easy to maintain hygiene. Size 2.72 inches in depth by 2.72 inches in width by 6.10 inches in height. Insertion length 5.80 inches by width 1.77 inches. Weight 0.45 pound. Other specifications: Disposable, Prelubricated. Materials: Insertion Sleeve Thermoplastic Elastomer TPE. Casing Polyethylene PE. Lubricant Ring Polyurethane PU. Lubricant ingredients: Water, Glycerin, Propylene Glycol, Peg-40 Hydrogenated Castor Oil, Sodium Polyacrylate, Phenoxyethanol, Cyclopentasiloxane, Hydroxyethylcellulose, Methylparaben, Hydroxypropyl Cyclodextrin, Iodopropynyl Butylcarbamate, Cyclotetrasiloxane. Please note single use stroker.