Funny happy St. Patrick's Day Pillowcase - Pillowcase with Zipper, Pillow Protector, Best Pillow Cover - Standard Size 18x18 inches, Twin-sides Print New Pillow Case 18x18 Twin sides This cushion cover has an invisible zipper made of 50% cotton, 50% polyester Hipster design makes the pillowcase fantastic decor A great pillowcase to make you have sweet dreams everyday