Year round cooling and stress relief: This cool blanket helps you stay dry and cool in both summer and winter, supporting relaxation and a more comfortable night's sleep. The cooling effect offers strong heat absorption and dissipation for a refreshing rest. texture and materials: This summer cool duvet cover is made of 1523% pure cotton jacquard water washed pleated yarn, delivering a delicate, soft, skin friendly feel without bulk. The inner washed cotton provides a soft color, good elasticity, and a snug fit for comfort. Naturally cool and breathable: Gaps in the yarn form an air layer that stores excess body heat and exchanges it with the outside air. This structure helps automatically regulate temperature to keep the skin cool and comfortable in hot weather. Enhanced cooling with fan use: The blanket provides a stronger icing effect when used with a fan, helping to cool more quickly and improve sleep comfort. Practical use scenarios: Hot summer nights in the bedroom: use as a lightweight, breathable layer to stay cool without overheating. Air conditioned or cooler rooms: ideal as a breathable companion to maintain comfortable temperatures. Dorms, hotels, guest rooms: a lightweight, easy to care for cooling option that adapts to different sleeping environments.