YOKONEGU Portable Compact Pillow for Side Sleeping, Ideal for Side and Back Sleeping, Airplanes, Bullet Trains, Cars, and Camping [Five-in-One

It can be used not only as a side-sleeping pillow, but also as a neck pillow, lumbar cushion, and nap pillow. It comes with a storage bag so it can be carried compactly. It is part of the YOKONEGU series. You can experience the same sleeping comfort as usual at home, anywhere.