The Bomb Masturbator Cocktail Bomb male stroker. These uniquely rounded strokers are made from a super stretchy material that snugly hugs and then extends, giving in and springing back with a tantalizing feel! Simply pour lubricant into the ball, slip inside and start stroking! You will love the way the material bounces up to greet you and surrounds you with supple yet firm discover why these strokers are truly the bomb! Body safe materials Thermoplastic Elastomers TPE.