American Dream Cool Gel Memory Foam RV Bunk Mattress, 75" X 28" X 5" (Several This quality RV mattress combines a top layer of Memory Foam with a combination of soft and firm foam. Use either side as the top. Comfortable quiet nylon cover with a vinyl fabric option. Benefits of Cool Gel Memory Foam: Evenly distributes body weight, infused liquid gel for a cooler sleep experience wicks heat away from body, Reduces foam cradling that results in heat build up, Plush, luxurious, consistent feel in all climates, Unbeatable comfort and support plus cooling.. Also contains a medium firm core to promote comfort throughout the mattress. Uniquely designed to last longer than a traditional innerspring mattress Soft durable and long lasting Nylon Cover that is Fluid Proof, Non-Allergenic, Odor free, Flame retardant, anti-static, Crack resistant and Phthalate Free! Cover is also BACTERIA RESISTANT:Ultra-Fresh* antimicrobial / antifungal system is EPA registered and is certified to contain no heavy metal or arsenicals. Effective for the life of the fabric. Prevents odors and offers a no charge certification system All foam is CertiPUR-UScertified which means: Made without ozone depleters, Made without PBDEs, TDCPP or TCEP (Tris) flame retardants, Made without mercury, lead, and other heavy metals, Made without formaldehyde, Made without phthalates regulated by the Consumer Product Safety Commission, Low VOC (Volatile Organic Compound) emissions for indoor air quality (less than 0.5 parts per million)