MEHOTOP Cotton Linen Pisa Throw Pillow Covers 18’’X18’’ Material: Cotton linen material feel good, and environmental protection.Pillowcase Size: 18" x 18" / 45cm x 45cm ( there may be ±1-2cm error) .Color:Pisa (Color may not appear as exactly as in real life due to variations between the computer monitors.)Package included:Set of 4 pillow covers without pillow insert!!!Shape:Square. No matter where it is, it can be integrated with your furniture.Widely use: Indoors (Bedroom, living room, office, etc) and outdoors (car, restaurant, deck, chair etc.)Printing pattern: Single side printing, back is the nature linen color.Machine washable: You can wash it with machine, and it can be washed in cold water by hand, after wash it, will not fade, not stain.How to Install:①Open the cover zipper. ②Fold pillow in half. ③Fill pillow into cover. ④Unfold the pillow. ⑤Close the cover