Whether in transit or the backcountry the Sea to Summit Aeros Pillow Ultra Light lightweight and compact inflatable pillow will award you a comfortable sleep. The Aeros Ultra Light Pillow has been refined from three ideas: light, compact, and comfortable. The result is a 20 denier pillow with shapely support that can be packed away into a neat, small stuff sack. Made from 20D laminated polyester to be very light and compact. Durable RF welded construction. Laminated with soft and silent, high strength TPU. Scalloped bottom edge centers pillow around your shoulders whether you are sleeping on your back, side or upright in a chair. Inflate pillow in just a couple of breaths with the multi functional valve. Regular: 14.2 in. x 10.2 in. x 4.7 in. Wt. 2.1 oz60g. Stuffed Size: 2 in x 2.8 in5 x 7 cm. Large: 17.3 in. x 12.6 in. x 5.5 in. Wt. 2.5 oz70g. Stuffed Size: 2.1 in x 3.1 in5.3 x 7.8 cm.