Extremely comfortable, lightweight and surprisingly compact, the full-size Aeros(TM) Ultralight Deluxe inflatable pillow uses a construction inspired by the Air Sprung Cells(TM) of our sleeping mats. It features a super soft 20D stretch-knit polyester exterior and a silent, TPU air bladder for support and comfort. The Aeros Ultralight Deluxe Pillow weighs less than 5 ounces / 130g and packs down to 5" x 4" x 2". Features: - Inflate pillow in just a few breaths and fine-tune easily with the multi-functional valve - 20D stretch-polyester knit is very soft and comfortable - High-strength TPU air bladder is soft, silent and supportive. - RF-welded construction for strength and durability - Fabric: Pillow Lock(TM)-compatible 20D polyester fabric - Dimensions: 23.5 x 16 x 5.5 in / 56 x 36 x 14 cm - Packed Size Comparison: Similar to a PB&J Sandwich. Crunchy peanut butter or bust. - Weight: 4.6 oz ~ One D battery