Stay cool throughout the night with the Beautyrest 600 Thread Count Cooling Cotton Rich Sheet Set. This cotton sateen sheet set features state of the art cooling treatment that manages moisture levels so you stay cool, comfortable, and dry. Made from 60% cotton and 40% polyester blend, this sheet set is machine washable for easy care and provides a durably soft look and feel. The fitted sheet features elastic fully around the edge fits up 18-inch mattress depth. These cotton rich sheets also have an antimicrobial treatment for health and wellness - kills and prevents bacteria buildup, helps reduce odors, and enhances hygiene.