Sleeping bags, and especially the down ones, it is best to store them unfolded, so that the filling does not fail and the sleeping bag retains its insulating properties. The bag for storing the sleeping bag is large enough to keep the bag fluffy and at the same time fit in a closet, for example. The bag is made of mesh so that the sleeping bag can dry well and the material can breathe. Suitable for sleeping bags filled with feathers and synthetic fibers.