Extremely comfortable, lightweight and surprisingly compact, the full-size Aeros Ultralight Deluxe inflatable pillow is inspired by the air sprung cells of our sleeping mats. It features a super soft 20D stretch-knit polyester exterior and a silent, TPU air bladder for support and comfort. Inflation, adjustment, and deflation takes seconds, thanks to our patent-pending multi-function mini valve. Plus you can secure the pillow to your sleeping mat using our unique Pillow Lock system. Features Inflate pillow in just a couple of breaths and fine-tune it easily with the multi-functional valve. Stretch-knit 20D polyester knit is very soft and comfortable. High-strength TPU air bladder is soft, silent and supportive. RF welded for strength and durability. Did you know? With the integrated pumps of the pack sacks of our ultralight air sleeping mats you can easily inflate your pillows. Simply turn the bag inside out and use the smaller side of the multi-function valve.