Features: 1. The material of this pillowcase is top quality cotton canvas, which is durable and environmentally friendly. 2. Extremely breathable and hypoallergenic. perfect for decorating your room in a simple and natural way. 3. The zipper becomes "invisible" when closing, it glides smoothly and allows easy insertion and removal of pillow inserts. 4. The pillowcase is washed at a low temperature and dried with a mild detergent.About size: The size of this pillowcase is 18x18 inches, and you will find more beautiful pillowcases by searching "WEINIYA pillow" on Amazon.com. Please Note: This listing is for pillowcase only, excluding the filler!