The Slim D. one of Doc Johnson's® most popular shapes. has a width that is pleasurable and comfortable for most bodies and is available in both FIRMSKYN™ and dual density ULTRASKYN™. Dual density ULTRASKYN™ warms to the touch and is designed with a soft exterior and firm core to emulate the feel of a real penis. while the FIRMSKYN™ option offers a firmer feel in a classic pleasure product material. • Firmer Material for Greater Intensity • Classic Doc Johnson PVC • Slim Design. Lifelike Detail • Suction Cup Base for Added Stability • O-Ring Harness Compatible • Phthalate-Free. Body-Safe • Proudly Made in America