Trimfit Toddler Boys Shark, Dino, Colorblock Stripe Mini Crew Socks 3-Pack Included in this 3-pack: 3 printed toddler boys socks Cotton/Nylon/Spandex blend. Designed in USA Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron Trimfit. Wear Tested since 1921