Paradise Silk 93% Silk 7% Spandex Women's Low Rise Sexy Thong Made from 93% Mulberry silk and 7% Spandex(not include elastic band) Sexy thong design Double layer silk gusset. US S/M for hip size 30-40 inches, US L/XL for hip size 40-44 inches Hand Wash preferred,Machine wash cold, gentle cycle, No Alkaline,No bleach, Dry flat