Justineit Gray Yellow Aqua Cushion Rasp Custom Zippered Pillowcase Pillow Cases Cover 16 X 16 Inch (twin Side) Main 50% Cotton 50% Polyester Size 16 X 16 Natural eco-friendly materials,this is your most suitable choice.This cushion cover could surely provide a warm, welcoming feeling to your daily life. Inner is not included This case(cover) has an Invisible zipper