UPGRADED FOR BETTER DURABILITY - less air leaks with improved camping pillow Unlike most inflatable pillows with only a thin layer of TPU under the fabric, air pillow comes with a separate bladder made of thick TPU material and effectively prevents air leakage. Ergonomic pillow serves also as a lumbar pillow and helps relieve back pain from long trips or work. DETAILS DESIGNED FOR YOUR CONVENIENCE: Thanks to the unique ONE-IN-ONE VALVE, the pillow is fully inflated in just a few breaths. Just click the button and the valve lets air in, without losing any air when you breathe again. UPGRADED with REMOVABLE AND WASHABLE COVER - comfortable and hygienic with cover. The skin-friendly outer surface is made of breathable cotton and ensures a super soft touch, while the inner woven polyester layer adds extra comfort to your sweet dreams and reduces annoying noises when rolling. The pillowcase can be simply removed and washed for easy care. UPGRADE FOR YOUR MAXIMIZED COMFORT - inflatable pillow ensures your ultimate comfort in multiple positions. Whether you're a back or side sleeper, you'll get ample head and neck support with the improved pillow height and unique ergonomic design that fits your neck perfectly. Adjustable valve height and firmness of the pillow to your preference. Click the button again and the hiking pillow deflates in seconds. Enjoy a restful sleep all night long thanks to the DETACHABLE ELASTIC STRAP on the back of the pillow that keeps your hiking pillow in place, for example. mattress.