Package quantity: 4 pieces of 18 x 18 inches/ 45 x 45 cm solid color pillow covers, they're designed waterproof, suitable for outdoor use; Note: pillow cores are not included Outdoor and indoor decorations: nice decorations for outdoor garden, tent, bench, balcony, party, picnic, wedding, office, cafe, etc.; The pillow cases are also suitable for indoors for bed, sofa, chair, couch, living room and bedroom, the vibrant color will provide you with different visual effect Waterproof PU coating: these throw pillow covers are made of durable canvas polyester with PU coating, waterproof, pilling-resistant, smooth and comfortable to touch Invisible zipper: these pillow shells come with invisible zipper for elegance, sturdy and smooth zip; Large opening for easy insertion and removal of pillows Convenient design for you: these square cushion cases are available for machine wash, easy and convenient to clean; No ironing is needed for the first time taking them out