WinHome Square Throw Pillow Covers Navy Blue and White Starfish Simple Pattern Pillowcases Polyester 18 X 18 Inch with Hidden Zipper Home Sofa Cushion Decorative Pillowcase

The covers, commonly referred to as throw pillow covers or cushion covers, are often sold separately from the insert. These covers have a zipper opening, which comes in two variations: an envelope, which is used to conceal the zipper behind, and a hidden opening, which is found at the bottom, reverse of the cushion.