Size: 2 pieces of 18x18 inch pillow covers without inserts. Hidden Zipper: The color of zipper is same to the color of pillow cover. And the zipper works smoothly that makes it easy to insert and remove of the pillow inserts. Waterproof Material: Made of durable canvas polyester with PU coating, which is light, cozy as well as breathable,can effectively prevent water and blot from splashing. The material of water resistant and dust proof is available for outdoor applications in the garden or yard, or near the swimming pool. Various Applications: Suitable for bed, sofa, seat, couch, bench, tent and other indoor and outdoor furniture. Good decorations for living room, bedroom, party, picnic, wedding, office, cafe, garden, patio, balcony, etc. Washing Tips: Machine Wash Cold Separately, Gently Cycle Only, Dot Not Bleach, Tumble Dry, Do Not Iron and it'll look brand new. WESTERN HOME WH Outdoor Pillow Covers 18x18 Waterproof, Stripe Square Pillowcases Patio Throw Pillow Covers Cushions for Couch Bench Tent Garden - Pack of 2 Pillow Covers Greenery