One size fits all. Casual style, can be paired with sneakers, low-cut shoes. Made of cotton, keep your feet clean, fresh and comfortable throughout the day. Anti -slip silicone for a secure grip to keep socks in place. Machine washable, perfect for daily wear. Suitable for summer time. Fashionable and multiple-choice. Pack of three pairs in three color combinations. Material:76% Cotton 16% Nylon 5% Elastane 3% Polyester Features:1. Made of cotton, breathable, soft and comfortable.2. Anti-slip with silicone grippers on the heel.