iKingsky Men's Men's G-String Underwear Sexy Low Rise Y-Back Thong Panties Pack of 4 90% Polyamide 10% Spandex Stretch technology provides a body hugging fit,great shape retention and soft comfort Waist: US S=China M:28"-29"; US M=China L:30"-31": US Large =China XL:32"-33" 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 "M", we will send you the item with China label size "L" Breathable mesh fabric draws moisture from the body, while the sports engineered waistband gives total stretch and recovery These high-performance undies are made using a woven sports-mesh fabric that draws moisture away from the body and has custom air-vents for breathability You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!