Doc Johnson's TitanMen Tunnel is an extra-long double-ended pleasure stroker, made from our ultra-realistic UR3 material. Soft and stretchy, our TitanMen Tunnel features a 12” shaft with a revolutionary design — each end of this stroker features a unique texture. You can choose from intense ribbing on one side or soft massage beads on the other; you can even have a partner join in for some double-team action! Designed with multiple ergonomic hand grips, and made from non-phthalate, body-safe TPE material, including our antibacterial Sil-A-Gel formula, this item is proudly made in America. Materials: UR3, Size: Usable Length 30.5cm x 5.1cm, Power: None Required