Casper sheets are light and breathable for a feathery softness that feels barely there. The Casper Sheet set includes 1 flat & fitted sheet, and 2 pillowcases. 100% long-staple cotton . 360 thread count . Hybrid twill weave . OEKO-TEX(r) 100 certified – the highest standard that guarantees the sheets are safe enough for babies and children . Machine wash cold on a gentle cycle with like colours. Tumble dry low.