Open-ended pillowcase sleeve innovation One size fits standard, queen, and king pillows 100% Poly Satin Charmeuse Top, 95% Rayon 5% Spandex Bottom Prevents bedhead, hair breakage, dry and frizzy hair Hypo-allergenic, prevents skin creases, fine lines, and skin irritations Perfect travel essential to cover your pillow while traveling, and at home PILLOW NOT INCLUDED!!