High Quality: Made of high quality cotton, solid and durable, non-toxic and odorless. We suggest washing it before your first use. Machine washable.The invisible zipper removable pillow cover is machine-washable, and it’s easy to remove and clean.It’s perfect for pregnancy support, nursing, reading, or watching TV.Our pillowcases are suitable for majority of U-Shape body maternity pillow on market. Our pillowcase size is approximate 140 * 80cm/ 55 * 31inch or 152 * 97cm/ 60 * 38inch. Two size for choosing.