Attach one of the RealRock vibrating or non-vibrating dong to this boxer with harness to penetrate deeply into your partners body. The boxer with harness is made for every dong up to 2 inches. The straps are adjustable and make sure the attached cock will stay in place. Specifications elastic straps fits size: small extra large. Usa sizes 6 to 12. Compatible with every dong up to 2 inches diameter. Boxer is made from 82% polyester, 18% spandex for that comfortable but tight Fit. Please note strap on harness only. Dildo sold separately. From Shots America.