Adam & Eve Super-Stretch Tickler Sleeves. The advantage is clear! These 7 super-stretchy tickler penis sleeves add variety and stimulating pleasure with every thrust! Ranging from 1 3/4″ to 2 3/4″ long, these clear silicone sleeves are covered with pleasure nubs, ribs and sensi-studs that rub against her vagina and clitoris for more stimulation than ever before! Just roll them onto your shaft like a condom; the high-grade silicone can stretch to fit any size without tearing or breaking. Plus, the snug fit works much like a penis ring, delaying your orgasm while reducing blood flow to keep you harder for even longer. Spice up other sex toys too! 5 year warranty.