iKingsky Men's Sexy Low Rise Camouflage Thong Underwear 92% Polyamide 8% Spandex Stretch technology provides a body hugging fit,great shape retention and soft comfort Waist: US S=China M:30 You select size is US Size,but we send product tag size is China Size.The China Size is bigger one size than you order.Because of the China size is about 1 size smaller than US size.And our company product tag is printed in China size only.For example,you order size Try our other sexy lingerie, wroth to have a see