The Master D, a thick lifelike cock with balls, is handcrafted to satisfy in both material options. 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. Extreme Length and Thickness Classic Doc Johnson PVC Suction Cup Base for Added Stability O-Ring Harness Compatible Phthalate-Free, Body-Safe Proudly Made in America Dimensions: Total Length: 12 in. Insertable/Usable Length: 9.5 in. Width/Diameter: 3.25 in. Circumference: 9.75 in.