Polyester velvet strap-on corset is fully adjustable. stylish and comfortable. Compatible with all Nasstoys Whoppers and Lifelikes and fits many dongs. Has two interchangeable ring sizes: 2.25 in. and 2.5 in. Fits up to 60 in. waist. Harness size is 4.5 by 5 in. (front). 4.5 by 17.5 in. (back with lacing).