The Tenga Original Vacuum Cup Extra Strong Stroker is designed for disposable use, featuring a pre-lubricated insert sleeve made from thermoplastic elastomer (TPE). With an insertion length of approximately 5.9 inches and an insertion width of about 1.77 inches, this stroker provides a snug fit for enhanced experience. The product weighs only 0.04 lbs, making it lightweight and easy to handle. The casing is made from PE, while the lubricant ring contains a water-based formula that includes glycerin and propylene glycol among other ingredients. This stroker is designed for single use, ensuring hygiene and convenience. Color: Black. Country of origin: Japan.