1. Durable material: Our pillowcase 18x18 set of 4 is made from linen material with white background: thick, skin-friendly and durable enough for your use, not easy to pilling, durable and useful. 2. Size: These mat covers consist of four 18 "X 18" (45 X 45 cm) pads with no padding/inserts. 3. Easy care: Each 18x18 pillowcase has a delicate hidden zipper that doesn't detracted from the overall aesthetic, making your pillow more elegant and neat, and super easy to throw away insert. Wash the throw pillows by hand or machine in cold water, using only a gentle cycle, no bleaching, no ironing. 4. Home decor: These 18x18 pillowcases come in sets of 4 with geometric floral designs on both sides. Geometric flower box is an excellent choice for decorating your living room, bedroom, coffee shop, sofa, sofa, bed, chair, floor, yoga chair, feet, outdoor, bedding, beach, car. 5. Gift ideas: A set of 4 sofa pillows in the living room, geometrically decorated boxes will make great gifts for your friends, family and loved ones. Give these couch pillows as Christmas gifts, birthday gifts, Mother's Day gifts or anniversary gifts. Geometric flower patternsize:45*45* 0.5cmMaterial flaxPattern Geometric