93% Cotton 5% Spandex 2% Elastic Non-slip silicone pads for traction and safety during your yoga or pilates class For yoga, pilates, barre, Zumba, PiYo, Piloxing, trampoline parks, slippery floors, hospitals, airplanes, hotels airport security Ribbed arch support and high heel coverage to prevent slipping down blister tab Protects bare feet from germs and dirt Women"s One Size Fits Most, 5-11