For G & PL Women Silicone Anti-Slip No Show Boat Socks (Size US 5-8) Material: 60% Cotton,37% Lace,3% Spandex,100% Anti-Slip Silicone.Suggest Hand Wash After Daily Wear and Dry Them Flat. This Product is Made in Our Own Manufacturer Through An Emphasis On Quality And Customer Service. Spendex Belt closure FAST Ship(FBA):Fulfilled by Amazon with two-day Shipping (Ship from USA) Women Sock Fit 5-8,Size : Based on US Socks Sizes (Heel to Toe) Elastic Comfortable Flat Boat Line Socks of Silicone Anti-Slip Heel Grip Low-cut, Shoe Shape Unique Design,No-show Cotton Socks With Ultra-breathable Material. Good Matching for All Your Sneakers, Boat Shoes, Loafers, etc