Book Cat Socks by Hot Sox are the perfect gift for that socks lover in your life. These book themed womens crew socks come in multiple color Options and fit Women's Shoe Size 4-10.5. Made of 42% Cotton, 32% Polyester, 24% Nylon, 2% Spandex for comfort and durability. A pair of these cool Book novelty Socks will certainly give any wardrobe an instant upgrade. Machine Wash Cold, Inside Out. Only Non-Chlorine Bleach when needed. Tumble dry low. Do not iron.