When storing your sleeping bag for the Winter or any long period of time, we recommend hanging it up, or keeping it loose in a mesh storage sack. If yours has gone missing, this mesh storage sack will fit any Big Agnes sleeping bag! Features: - Fits any Big Agnes sleeping bag, down or synthetic - Large size provides room for sleeping bag insulation to loft while stored - Mesh storage sack allows air flow, preventing mildew or insulation damage from moisture - Drawcord top for tight closure