1、Feather cotton is selected as filling material, evenly and quantitatively filled. It is fluffy and not confused, breathable and comfortable, soft and warm. 2、​​​​​​​Interior 240T polyester pongee material, smooth touch, no smell, no stimulation, fast heat generation, constant temperature and warm, enjoy comfortable sleeping. 3、​Zipper-type opening, can adjust the opening according to the environment temperature, ensure the ventilation and comfort. 4、​Full expansion design, can be used as a cushion and quilt, freely switch according to the demand. 5、​Full-filled, fluffy, soft, 320T nylon plaid fabric, waterproof and anti-fouling. Features: Feather cotton is selected as filling material, evenly and quantitatively filled. It is fluffy and not confused, breathable and comfortable, soft and warm. Interior 240T polyester pongee material, smooth touch, no smell, no stimulation, fast heat generation, constant temperature and warm, enjoy comfortable sleeping. Zipper-type opening, can adjust the opening according to the environment temperature, ensure the ventilation and comfort. Full expansion design, can be used as a cushion and quilt, freely switch according to the demand. Full-filled, fluffy, soft, 320T nylon plaid fabric, waterproof and anti-fouling. Easy to adjust, inside and outside two-way lock zippers. The hook and loop design, prevents the accident to open the fine line. Specification: Condition: 100% Brand New Material: Nylon Cloth + Polyester Pongee + Down Cotton Size: Approx. 230 x 72cm / 90.6 x 28.3inch Weight: Approx. 1117g Package List: 1 x Sleeping Bag 1 x Storage Bag