2 Pack Inflatable Travel Pillow Neck Support for Airplane Storage Bags Superior Comfort, Durability Versatility Comfortably Support Head, Neck1. Ergonomic 45 Angle Design for Optimal Support: Our inflatable neck pillows feature a precisely engineered 45 angle, conforming to the natural forward lean posture of your head and neck. This design effectively reduces pressure on the cervical spine, providing excellent support for your upper body. Whether you're on a long haul flight, a train journey, or a road trip, it helps maintain proper spinal alignment, minimizing fatigue and discomfort. 2.