Super-Elastic TPE Suitable for All Sizes - Crafted from safe and soft TPE, this stroker features a highly stretchable inner sleeve that can snugly cover penises of different sizes. Spiral Thrusting for Lots of Fun - The newly designed spiral texture allows you to spiral along or against it, stimulating the head and twisting up and down to massage the penis and enjoy the spinning gimmick that you have never experienced before.