【More Cost-effective】Each set comes with an emergency sleeping bag, as well as a whistle and a compass. 【Ultra Lightweight and Foldable】The emergency sleeping bag is made of PE film, it is lightweight, waterproof, and easy to carry.The emergency blanket folds into a small size, it can be used almost anywhere stowed away, leaving plenty of room in your backpack for additional gear. 【Heat retention】 Lined with heat reflective insulation material, resistant to rain and snow, similar to an emergency blanket, this is a must-have for survival or camping in the wild. 【Whistle】 When you encounter an emergency and need help, you can use it to make a sound to attract the attention of others. It is important to maintain your physical strength while waiting for rescue. If it is in a low-temperature environment, please enter the emergency sleeping bag as soon as possible to ensure that your body does not lose temperature. 【Multi-functional use】In addition to being used as emergency survival equipment, the first aid camping bag can also be used as a signaling device to attract the attention of others and has multiple practical functions.