adjustable bed stores near me in trichy growell beds and furnitures trichy a spinel 7 Inch Bonded Foam King Size Mattress" is likely a type of mattress designed with specific materials and dimensions. Spinel" could be the brand name of the mattress or a specific type of foam used in its construction. Without more information, it's difficult to determine the exact characteristics of Spinel foam.Bonded foam refers to a type of foam where layers of foam are bonded or glued together to create the mattress structure. This construction method helps improve the mattress's durability and stability