【Premium Material】: Crafted from soft, breathable cotton and filled with polyurethane memory foam, this napping pillow offers exceptional comfort by conforming to your body for a restful experience 【Ergonomic Design】: The pillow features an ergonomic groove design that aligns with the curve of your arm, while providing optimal support during naps 【Feature】: The pillow provides wrap around support without pressing on the mouth and nose. This allows you to sleep comfortably without feeling stuffy and quickly enter sleep 【Convenient Care】: Equipped with an invisible zipper, the outer layer of the memory foam wedge is removable and washable for easy maintenance; however, please do not wash the core 【Wide Application】: This sleeping cushion is nice for various scenarios including the office, home, travel, school, classroom, or tabletop use Specification: Material: Polyurethane Memory Foam Size Chart: 36cmx21cmx17cm/14.17inchx8.27inchx6.69inch Package Includes: 1 Napping Pillow Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.