WATERPROOF MATERIAL:Made of high-quality linen fabric with waterproof coatings, water-resistant while soft and breathable. PACKAGE:Contains 2 pieces of 12x20 inch pillow covers. NO INSERTS. Please allow 1-2cm deviation because of manual cutting and sewing. WIDELY APPLICABLE：Suitable for garden, balcony, porch, bench, patio, tent, sofa, car, chair, seat, couch, bed, picnic, camping, etc. The pillow covers are very soft and cozy，they can be used indoors and outdoors. HIDDEN ZIPPER: Invisible zipper sewed on the edge for an elegant look. The zipper works smoothly that makes it easy to insert and remove of the pillow inserts. EASY CARE: Hand wash or machine wash in cold separately. Do not bleach or iron, just tumble dry and it'll look brand new N1