Blast off with these fun sheets! Our Out of this World sheets are a universe full of stars, planets, moons, rocket ships and ufo's. Printed on super soft 100% cotton percale, 210 thread count. One-year manufacturer's warranty against defects - normal wear-and-tear, and misuse excluded. Rigorously tested to ensure that all parts are lead-safe, bpa-free, phthalate-free, and conform to all rules and regulations set forth by the Consumer Products Please wash prior to use. Machine wash cold, gentle cycle. Use only non-chlorine bleach when needed. Tumble dry. Warm iron as needed.