Pillowcase Custom Cotton & Polyester Soft square Zippered Cushion throw Case Pillow Case Cover 18X18 (Twin Sides) - Anime Cartoon Invader Zim Gir Police Call Box Red Moon Purple Funny Adorable Lovely Zise:18*18 inches. Comfortable and 100% Brand New Made of 50% cotton, 50% polyester! Wash separately with warm water, do not wash with other clothing Easy cleaning and maintenance Having this soft Custom pillowcase will add both comfort and style to your home.