wholesale winter down sleeping bag outdoor adult ultra-light duck down thickened cold-proof waterproof adult minus 10 degrees 30 degrees

red and black splicing (210 * 80cm) blue and black splicing (210 * 80cm) beige stretch out

400g duck down 600g duck down 800g duck down 1000g duck down 1200g duck down 1500g duck down 1800g duck down 2000g duck down 2500g duck down 3000g duck down 400g goose down 600g goose down 800g goose down 1000g goose down 1200g goose down 1500g goose down 1800g goose down 2000g goose down 2500g goose down 3000g goose down 400g national standard 650 duck down 600g national standard 650 peng duck down 800g national standard 650 peng duck down 1000g national standard 650 peng duck down 1200g national standard 650 duck down 1500g national standard 650 duck down