RSG Baby/Toddler/Kids Low-Cut Terry Non-Skid Slipper Socks 3-Pack (5 Sizes) 3 Pairs included. Non-skid soles. They do shrink slightly once washed/dried. Five sizes available. Socks fit approximate sizes: 9-15 Months (Sock Size 1-3); 1-3 Years (Sock Size 2-4); 2-4 Years (Sock Size 4-6); 4-7 Years (Sock Size 6-8); 8+ Years (Sock Size 9-11) Machine Wash Gentle cycle, Tumble Dry, Use non chlorine bleach when neccessary