Shell Fabric:320T Nylon Filling material:90% White duck down Size:210cm80cm (Loose place)50cm (Narrow place) Sleeping bag weight 1300g, The weight of filled down is 800g, Comfort temperature:-5-10 degree centigrade, Limit temperature: -10 degree centigrade, packing size 2225cm Sleeping bag weight 1500g, The weight of filled down is 1000g, Comfort temperature: -10-5 degree centigrade, Limit temperature: -15 degree centigrade, packing size 2427cm Sleeping bag weight 1700g, The weight of filled down is 1200g, Comfort temperature:-15-0 degree centigrade, Limit temperature: -20 degree centigrade, packing size 2629cm. Or, you can choose to get a replacement. Our goal is to ensure a happy shopping experience with us.