Shell: 100% nylon. Lining: 100% nylon. Wadding: 90% down, 10% feather. Keeps the mobile protected during the coldest days! Adjustable drawstringMetal hook fasteningReflective detailsHeat-keeping functionÖstersund Mobile Down Bag - phone pocket by Swedemount. Practical phone pocket with drawstring at the top and heat-keeping material perfect for the ski holiday. Machine washable at 40°C.