This pillow is used while Travelling by plane, train or bus. thus causing pain to the neck, shoulders and back. Providing optimum comfort, this Air Pillow is an ideal travel pillow and helps avoid any caused bad sleeping arrangements. Ideal for Travel compact convenient of great on your many travels. It can be easily inflated and deflated. it has PVC Cap, air-tight assured with a help cap that tied a thread tightening.Can be in the living room bedroom also. Neck air is used for men women's homes, travelling, picnics, and tour trains. Mostly tourist. could fit universal size travelling luggage bag