Made of breathable cotton material, these pillowcases bring consistent cooling and ultra-smooth touch for comfortable rest every night. Adopted hidden envelope closure structure, it can effectively prevent the pillow from sliding out during sleep. With stable wrinkle resistant property, the pillow covers stay neat without frequent ironing. Designed in standard size to match most adult pillows, the 2-pack combination offers cost-effective daily bedding replacement for family use, featuring solid durability and easy care for long term daily application.