Pillow covers size: 16 x 16 inches(4 pieces),both sideds printing. Material: Polyester. This fabric is durable, strong, soft and comfortable. Hidden zipper, easy to disassemble, can be used for a long time. (Pillow cover only, no pillow core). Easy to care: Machine wash cold water, dry. Easy to match: These pillow cases can match your bedroom, living room, indoor terrace, living room, dining room or car. The good choice of home decoration: Different pillowcases can bring different decorative styles, but also to friends and family intimate gifts.