Nymeria 19 Peacock Feather Rectangle Pillowcase Pillow Case Covers 16x24 (One Side) 16GA-386 Custom Picture Pillow Cases 16" X 24" (one side). Made of 50% cotton, 50% polyester. Having this soft custom pillowcase will add both comfort and style to your home. Custom your own photo or text, makeing a special gift for someone.