With its innovative, one-piece, body-hugging shape, zoro is the better way to use a strap-on dildo. the one-piece construction, with our super luxurious soft touch silicone, distributes all the thrust from your genitals to your pelvis for more control and superior comfort. the body shaped model doesn't need a harness to keep it in place - instead, a comfortable, soft, elastic waistband is all that's needed - and it's included! All zoro line-up of strap-ons from us share this design innovation that makes them ultra-comfortable and the strap-on easy to put on and take off. experience a new level of pleasure for both partners when using a strap-on dildo. - made of 100% luxurious soft touch silicone. - molded in a single piece. no moving parts for ultra comfort. zoro is designed (and tested!) To be the most amazing strap-on dildo you will ever wear. - the opening at the bottom gives full access to vagina or penis. - the innovative beltless design makes it easy to move within seconds. - designed, for an optional (not included) 3-stage ball vibrator. - zoro 5.5 has an insertable length of 5.5 inches and maximum diameter of 1.4 (tip) and a shaft diameter of 1.2 inches.