About this item Gap-Filling Protective Design: Specifically designed to fill the gap under 6 inches between the headboard and mattress, effectively preventing pillows, phones, remotes, and other items from falling. It keeps the bed tidy and reduces the hassle of lost items, providing a more secure sleep experience. Upgraded Structure and Comfort: After multiple improvements, the new design features a flatter angle and a lower head elevation for better ergonomic support, ensuring maximum comfort and optimal performance when used for gap filling. Large Capacity Divided Side Pockets: The upgraded side pockets are larger and include multiple compartments for organized storage of daily items such as phones, glasses, and remotes, making it easier to keep bedside essentials neat and accessible. High density foam providing firm support - We use high density foam which provides firm support.headboard pillow can fix the mattress gap with little movement. The bed gap filler can easily expand to its original size after unpacking and keep its shape after a long time using. Breathable and Soft Fabric: The cover is made of upgraded fabric that is more breathable, softer, and wrinkle-resistant, ensuring comfort in use. It is also easy to remove and clean, keeping the pillow hygienic and extending its lifespan. Compression Shipping Notice: This product is shipped in a compressed package. Upon opening, it will regain its shape within 12 hours and achieve its intended firmness within 24 hours. This is a normal physical property of foam, so please allow the pillow time to fully expand for the best experience. › See more product details