Outdoor Envelope Waterproof Sleeping Bag Features:
1. Double-sided fit to prevent cold air from entering.
2. Zipper, sturdy and durable, smooth and easy to pull.
3. Hat mouth elastic rope design. The hat elastic rope design can be adjusted freely, and the sleeping bag is warmer.
4. Tight wiring process. S-type stitching line effectively fixes the hollow cotton inside the sleeping bag, which has good warmth effect.
5. Waterproof fabric. Polyester fabric waterproof fabric, easy to resist moisture