Features: 1. DRAWSTRING CAP DESIGN: Fits the head better, keeping warm and isolating noise. The elasticity can be adjusted according to temperature changes to prevent the loss of body heat and strengthen the outdoor warmth function. 2. SPLICABLE DESIGN: Single sleeping bag can be spliced into double sleeping bag through zipper, which is practical, convenient and stable, making camping and rest no longer lonely. 3. MORE WARMTH: Mummy-type sleeping bags have less space and are warmer than envelope-type sleeping bags. 4. DOUBLE TRACK ZIPPER: The YKK zipper is used, which has first-class durability and resistance to harsh environments, which enhances the safety of outdoor activities. Double track, can be pulled inside and outside. 5. HIGH-ELASTIC FASTEN TAPE: The head of the sleeping bag is made of high-elastic fasten tape, which fits tightly to prevent accidental opening of the zipper. Double insurance ensures warmth. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: 400T ripstop nylon Filling: goose down Size: 210*80*50cm Color/Style: As the picture shown Weight: 400-2200g Package List: 1 x sleeping bag 1 x storage bag