Fits sizes 4 - 14 best (hips measuring 36"- 45") Original Rise fits higher on the hips. The World’s Most Comfortable Thong®. Body - 100% Nylon; Trim - 90% Nylon, 10% Spandex; Crotch Lining - 100% Supima® Cotton. Care - hand wash in cool water with mild detergent and dry flat or hang to dry