FEATURES of the Exped Air Pillow Skin friendly tricot polyester fabric for comfort Exclusive Exped FlatValves for inflation/deflation Two breaths inflate Air Pillow fully SPECIFICATIONS of the Exped Air Pillow SPECIFICATIONS for Medium Dimension: 15 x 10.6 x 4.3" / 36 x 28 x 11 cm Weight: 2.8 oz / 80 g SPECIFICATIONS for Large Dimension: 20.5 x 13.4 x 5.1" / 46 x 30 x 12 cm Weight: 3.4 oz / 95 g SPECIFICATIONS for Extra Large Dimension: 20.5 x 12.6 x 5.1" / 52 x 32 x 13 cm