Sock Ons Classic Baby Sock Holders for Little Feet Includes: (1) Pair, White, Small | 0-6 Months Holds your baby's socks firmly in place no matter how hard your baby kicks and tugs. No more missing socks! Ingenious and indispensable item for every parent. Always put the ordinary sock on baby first, then place the Sock Ons over. Sock Ons are not suitable for walking in or for wearing with baby shoes. Made of soft, stretchy material. 82% Nylon 18% Elastane. Machine Washable.