Slipper Socks (ONE SIZE FITS ALL, BLACK) 3 Pairs 95% Acrylic/5% Spandex keep your feet warm and Toasty, Soft and Comfy Skid Resistant, Traction sole slipper One Size Fits: Youth Shoe Size 1-10, Women's Shoe Size 4-10,Men's Shoe Size 51/2-11 Machine Wash , Tumble Dry, Use non chlorine bleach when neccessary