2 SIZES DESIGNED SPECIFICALLY FOR WOMENS: fit US women’s shoe sizes 5-7 and US women’s shoes size 7.5-13 .If you want small or large plus size socks ,these are good choice. 3 colors : Black White and Gray. 6 / 9 pairs per pack. NON SLIP: Silicone Strips at Heel to ensure no slip.—MATERIAL COMPOSITION:70.8% Cotton,24.7% Polyester,4.5% Spandex. Comfortable and Durable. THIN AND BREATHABLE??These are very THIN and breathable ankle socks.That provide maximum comfort for indoor and outdoor athletic activity. Give you a casual day on summer. NO SHOW:These no see liner socks are below ankle and also called low cut socks for woman.These fit canvas shoes,boat shoes,dress shoes,loafers and sneaker . These will not slip off your heel. AFTER SALES SERVICE WARRANTY??Arkeen’s customer service will always be there, no matter what problem you have, you can always contact us and we give you a satisfactory reply.