Benefit from this Version Raised Arched Pillow.The benefit of this version is its raised arched shape. It is ergonomically designed, double in strength, 360° support the head and neck position, it keeps the head upright and maintain proper neck alignment. It can effectively improve cervical protection. This arched pillow support level can be adjusted to your personal preference without having to remove it from the neck position. It is long lasting and has stable support. It is an artifact which is absolutely ideal for travel. The standard arched neck pillow relaxes your neck for a comfortable travel experience. It is suitable for long-haul flights, sleeping on a train or sleeping on any type of chairs. Apart from that, it is the best choice when resting to watch movies at home or napping in office. It makes you feel relax and comfortable at all times. Adjustable Softness The hardness and softness can also be adjusted after pressing to inflate. The valve deflates very quickly and features an over-pressure protection device. It has strong seal which does not leak. Invisible Zipper The invisible zipper design is skin friendly and will not scratch your skin, it has no foreign sensation, it is easy to disassemble, it is also easy to store and clean. Upgraded Fabric The upgraded version of the crystal velvet fabric is smooth, it is skin-friendly, it is comfortable, breathable, safe and easy to wash and clean.