After just one night, side and back sleepers wont live without Fortnight Beddings 53×74 Inch Folding Gel Memory Foam Mattress. The custom size cushioned topper features quality memory foam technology that molds and contours to the body for a deep, sound sleep. Innovative gel is ground, blended, and infused in the foam to help keep temperatures down and enhance airflow. With non-toxic, organic materials, the antimicrobial pad protects against dust mites and allergens, so you wont even need an encasement. Use on your RVs bunk beds, in the cabin, or on the hard dirt floor. If indoors, simply place on top of a box spring and pop on a slipcover for a wonderful guest day bed. Its totally comfortableand versatile!