1、Used in low temperature environment, Can not send out its own 90% of the calories 2、Strong reflective, easy to see and ideal for signal 3、 Its design helps to retain heat and shield against wind and rain and offers compact and versatile shelter when you need it the most 4、Sleeping bag design, ultra-thin, convenient to carry, compact and practical 5、It is suitable for walkers, climbers, mountain bikers, runners, skiers and snowboarders, lightweight and portable, easy to carry Description: This outdoor sleeping bag is waterproof, it can help you to keep warm in terrible weather, help you handle varies of emergent occasions. Features: Used in low temperature environment, can not send out its own 90% of the calories. Strong reflective, easy to see and ideal for signal. Its design helps to retain heat and shield against wind and rain and offers compact and versatile shelter when you need it the most. Sleeping bag design, ultra-thin, convenient to carry, compact and practical. It is suitable for walkers, climbers, mountain bikers, runners, skiers and snowboarders.Lightweight and portable, easy to carry. Specifications: Condition: 100% Brand New and High Quality Material: PET Membrane & Coating Size: Approx. 200*100cm/78.7*39.3'' Color: Silver Thickness: 0.01197（mm）=11.97um Package Weight: Approx. 90g Packing List: 1 x Sleeping Bag