- Hanging storage bag and oxygen bottle holder: lightweight, easy to use, and folds into a compact package for simple storage. - Wheelchair accessory: reflective strips provide night visibility and a safety warning so you can use the oxygen bag confidently on a wheelchair. - Outdoor oxygen bottle holder: multifunctional oxygen tank backpack with a large capacity and a mesh pocket for small items; a portable oxygen holder for outdoor use. - Foldable design: practical for daily use and travel; folds for compact storage when not needed. Use scenarios - Home or clinic: hang the bag on a chair, bed, or closet to keep the oxygen bottle easily accessible, then fold for storage when not in use. - Outdoors with a wheelchair: mount on the wheelchair for walks or outings; reflective strips improve visibility at night and small items can be stored in the mesh pocket. - Travel and daily activities: foldable and portable, easy to pack in a bag or luggage for trips while keeping the oxygen bottle secure and ready.