This throw pillow covers are made of polyester. Size: 18 x 18 inches each piece. (pls note: Inserts are not included and the pattern paint one side only). To make the pillow looks fluffier, 18x18 inch pillows are recommended. Durable Material: Made of our top-grade polyester for a better visual experience and soft hand-feel. The fabric is not only more durable compared to traditional linen, but also free from fade, stain, wrinkle, Eco-friendly and harmless to skin. Feature: Add a touch of graceful color to your bedroom, guest room, kids room, or new car. Great gift idea for girls and women, friends and families. Easy to Wash: Safe to machine wash.Or wash by hand.Dot Not Bleach.Tumble Dry Low. Do Not Iron.