Fleshjack Stamina Training Unit STU Jack Ass is the number one selling male sex toy in the world! The Fleshlight Pink Butt is made of patented Superskin that feels just like the real thing and features a texture that still ranks as one of the highest rated sensations by Fleshlight customers. Practice makes perfect, especially in the bedroom. The Endurance Jack was specifically designed to replicate the intense sensations of intercourse, which can help users increase sexual stamina, improve performance and techniques, and heighten and intensify orgasms. Recommended cleaning products are hot water and Fleshcare Wash. Only water based lubricants are safe for use with Fleshlight products. What comes with this product? Fleshlight original textured sleeve, Fleshlight case, sample Fleshlight lube water for one use and instructions for care and use. Features: specially designed sleeve for male performance enhancement. Body safe material built to last. Exclusive SuperSkin sleeve provides hyper-realistic feel. Reusable and easy to clean.Patented design creates intense suction sensation. Made in the USA