Neck Pillow Travel Pillow U-shaped Pillow High Density Warm Not Easily Deformed Neck Pillow Office Desk Work Rest Drive Travel Lightweight Travel Pillow Washable Shinkansen Airplane Bus Home Nap Pillow With Storage Case (Black) Features: Adjustable, Removable Cover, Lightweight, Breathable, Odor Resistant Color: Black Size: Warm Cover Material: Memory Foam Shape: Semicircle "Excellent Support": High-density memory foam fits the curve of the neck. It supports the head with moderate resilience, reducing the burden on the neck and shoulders during airplane travel and desk work. It is not easily deformed even after long-term use. "Breathable Design to Prevent Stuffiness": The cover is made of soft microfiber material that feels warm against the skin, is absorbent, and the internal three-dimensional structure promotes airflow. It keeps you warm in the cold winter months, making it ideal for those who don't like the cold. "360° Relaxation Anywhere": Maintains the optimal height at any angle, such as forward (PC work), backward (in-flight reclining), and sideways (train window). It fits without deforming even in the narrow seats of the Shinkansen. "Compact Storage & Portability": It transforms into a pouch size when stored in the included storage case. It can be stored in a bag and does not increase the luggage for business trips and travel. "Washable Cover for Maintaining Cleanliness": The removable cover blocks sweat and dirt. Machine washable (net recommended) for hygienic long-term use. An inner cover is included to prevent color transfer to the memory foam.