With Lucid Comfort Collection mattresses, you can find a bed for the whole family. Create a new bedroom space that goes perfect with a twin bed, bunk bed, or trundle bed. The Lucid Comfort Collection 7-inch Bonnell Innerspring Twin XL Mattress consists of six inches of steel coils, providing support ideal for bodies under 100 pounds. And the soft one-inch layer of memory foam allows a soft cushion to rest into, transforming this into a hybrid mattress. Comfort awaits. Color: Gray.