AirComfy Pillowcase for The Travel Pillow - 100% Cotton Flannel PILLOWCASE ONLY - PILLOW NOT INCLUDED KEEP IT CLEAN - 100% cotton flannel cover is removable for easy washing EASY ACCESS TO AIR VALVE - An open corner for the air valve means you can adjust the inflation level without removing the cover PACK IT ALL TO GO - A larger packsack is included, to help easily fit your pillowcase ON the AirComfy (so you don't have to take it off to pack it)! ENJOY VERSATILITY - You can either keep the strap on the outside, or tuck it in the pillowcase. It's your choice!