NEMO Fillo Backpacking Pillow Athin film inside the pillow divides it into an upper chamber and a lower chamber Fill the lower chamber as much as you like to to adjust the height of the pillow The tuo design uses half as much stuffing as a similarly sized camping pillow Tuo pillow uses repurposed foam form our sleeping pads manufacturer Easy to inflate/deflate valves make set up and take down a breeze