1. Compact and lightweight, easy to carry.
2. Ergonomic dual humps design, soft and cozy, relieve fatigue.
3. U-shaped design, provides 360 degree supporting for the neck.
4. Inflatable inner tube, inflating volume can be adjusted according to your needs.
5. Porous and breathable fabric, keep dry and fast sweat evaporate, prevent the growth of bacteria.
6. Embedded valve design, prevent air leak, comfortable to sleep.