Rene Rofe Baby Baby-Boys Newborn Motorcar 6 Pair Sock Set 75% Cotton/23% Polyester/2% Elastane Imported Machine Wash 75 percent cotton, 23 percent polyester, 2 percent elastic Elastic opening Intarsia weave designs Machine wash cold with like colors. Tumble dry medium. Use only non-chlorine bleach when needed Made in china