The multipurpose blanket is filled with cluster loft, which is comparable to duck-down warmth. The blankets were developed according to the characteristics of natural down, mainly to improve the bulkiness, using air to keep warm, and the insulation effect is close to 80% down. The bulkiness under the best test sample state Can reach 620PF. The camping blanket has a fixed buckle and can be used as a small pillow or headrest after packing, and it can also be used as a sleeping bag in an emergency. The blanket is made of 20D nylon fabric, water-repellent and anti-drilling, durable and light. The self-folding zipper outer pocket design reduces storage volume and is convenient to carry.