Cover Material: Polyester/Polyester blen Set of 2, 18" x 18". Outdoor square pillow covers, No Inser Made from 100% UV-resistant outdoor polyester fabri Water, stain and mildew resistan For best results, and to extend the life of your cushions store indoors or cover when not in us EASY CARE & WASH: Machine washable, Maximum temperature 30?, gentle cycle. Do not bleach. Tumble Dry Low. Do not iron. Do not dry clean. Child and Pet Friendly:Thanks to the material,there is no stimulation to the skin.So don't worry that these will be harmful to children and pets.