Sea to Summit Aeros Pillow Ultralight Made from 20D laminated polyester to be very light and compact Durable RF-welded constructionLaminated with abrasion resistant high strength TPU Curved internal baffles create contours that cradle your head Scalloped bottom edge centres pillow over your shoulders whether you are sleeping on your back, side or upright in a chair Inflate pillow in a couple of breaths with the multi-functional valve