trimfit Girls' Cotton Spandex Triple Roll with Non Skid Soles 3-Pack 75% Cotton, 21% Nylon, 3% Spandex, 1% Rubber Imported Machine Wash 3-pairs toddler cotton/spandex triple roll cuff with non-skid sole socks Comfort technology Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron Trimfit. Wear tested and reg since 1921