cooling blankets for sleeping in reversible design with mica nylon & polyester on the front side is breathable for hot summer use, which keeps you cool and dry by absorbing and dispersing unnecessary body heat. Skin-friendly 100% mica nylon on the reverse side is comfy for spring & autumn use. This is the ultimate multi-purpose cool blanket for all uses and occasions This fibers material does a great job of absorbing your body heat and feel cool while touching. The choice for summer to keep your body cool all night, you will fall asleep faster and stay asleep longer with cooling blankets for hot sleepers