- High-Density Sponge Comfort: Our headboard gap filler features a premium 50D sponge that offers high resilience, ensuring superior comfort and long-lasting support without collapsing. - Soft and Breathable Fabric: Wrapped in a soft linen fabric, this mattress extender is designed to be skin-friendly and breathable, maintaining its shape and color even after multiple washes. - Easy Maintenance: The convenient zipper design allows for easy removal of the cover, making cleaning a breeze and helping to keep your bedding fresh and tidy. - Versatile Application: Perfect for filling the gap between your mattress and headboard, wall, or footboard, this solution prevents pillows, pets, children, and toys from falling off the bed. - Practical Use Cases: Ideal for families with children who toss and turn at night, pet owners looking to keep their furry friends safe in bed, or individuals seeking to enhance the comfort of their sleeping space. - Size & Compatibility: Designed to fit most mattress and headboard combinations, ensuring a snug and effective gap fill. - Durable Performance: Crafted to withstand daily use, this filler maintains its shape and function, providing you with a reliable solution for a clutter-free sleep area.