1.Easy to use: the ideal sleeping bag for outdoor lovers and emergency preparation. Surpass the traditional space covers with the quick deployment integration design, which requires no configuration: simply pull out of the compact bag. Offers immediate protection when every second counts 2.Protection against extreme weather conditions: This sleeping bag is designed for extreme conditions and fights with advanced insulation cold and wet environments. The reflective polyester film imprisoned and the sealed design prevents the heat from escaping 3.Ready Emergency Design: Includes a mountainous bag with whistle and carabiner for secure attachment. Light but robust, this sleeping bag combines practice with features that are ready for emergencies 4.Resistant to reliable bad weather: Built with a waterproof polyester film, this sleeping bag pushes moisture and wind and warmth and . The sealed structure resists violent winds and the material stays dry in rain or snow. A must for outdoor activities