The Brillars High Density Foam Bed Gap Filler is the perfect addition to any mattress or sofa bed conversion project, providing ample support and stability where needed. This versatile product is perfect for filling gaps between mattress sections, ensuring a well-supported and comfortable sleeping surface. Its unique shape and firm foam can also be used as an armrest cushion or a rectangular bolster, further extending the functionality of your sofa bed. With a comfortable grey color, it's a stylish addition to any bedroom or living room. The Brillars High Density Foam Bed Gap Filler is designed to last, offering a reliable solution for years to come.