The multi-sex strap-on system for men and women. Add thickness and length. The material is rigid enough to hold shape, but soft enough for sexual comfort. Comfortable and stretchable straps to hold it in place. Comes in three different lengths: 6, 7 and 9 inches. Proudly made in America. Fits waist size 24 to 48 inches.Internal length is 7.50in.Inner diameter is 1.70in