PRICES MAY VARY. Flannelette Fabric Size: 18 x 18 inch with a hidden zipper(1-2cm deviation). Please ensure your pillow core is suitable for this size. Meterial:We madeit in Flannel, which is soft and comfortable, and children at home can also use it. Hidden Zipper Closure: Ensure that the pillow cover has a hidden zipper closure for easy removal and washing while maintaining a neat appearance. Cleaning and Maintenance: The classroom pillow is made of easy-to-clean materials and has a removable