Made of soft rubber with a realistic look and feel. Straps help hold on the extension, designed to use with or without an erection. The rubber on these is about .25 inches thick. These extensions are 2 inches wide on the outside and about 1.5 inches wide on the inside. Length to insert the penis on the inside is 5 and 7/8 inches. Fits up to a 50 inch waist. * Packaging states 7" in length actual length is over 7"