Polyester Material: Spring Pillow Covers are Made of 100% Polyester linen. breathable, comfortable and durable and well made .no bleeding, fading or fraying issue. Size: Include Pack of 4 16x16 inches (40x40cm). Pillow insert are not included . Design: Invisible zipper design, better looking and easy insertion .Stitched by hands make that pillow cover more durable.The pattern is only on the front side. Suitable Place: Throw Pillow Covers are great for both indoors and outdoor decoration, like living room,office, Bedding,patio .The Pillow Covers can also be used as a Gift. Wash Instruction : Safe to wash by hand or machine. When machine drying, make sure the setting is on a low-dry mode. Do not use bleach. wyooxoo Spring Pillow Covers 16x16 Set of 4 Decorative Throw Pillow Covers Floral Farmhouse Cushion Cases for Sofa Couch Living Room Outdoor Home Decor