About this item This fits your . Make sure this fits by entering your model number. Cotton,Silk Warm Protection: Not only envelope shape sleeping bag can provide warmth for body throughout the whole night, but the adjustable drawstring hood keeps your head from the cold wehther.After a day of hiking, this sleeping bag keeps you warm all night. ▷Flexible space design, turn over at will, comfortable and free. ▷The filling of this sleeping bag: silk; the lining material: pure cotton. ; Outdoor fabric: pure cotton. ▷This grey sleeping bag is available in thin and thick styles, the thin style is suitable for weather at 15℃-25℃, and the thick style is suitable for weather at 5℃-15℃. ▷Removable design of silk inner liner: 6 fixed inner liner strap design, fixed and non-moving, quilt cover is removable.