[GEL MEMORY FOAM] - 2"gel-infused memory foam provides a more relaxed and cooling sleeping environment, and 4"comfort foam gives your body complete support. Ideal for all body types and average-weight sleepers. [CERTIPUR US CERTIFIED]- High-quality foam is CertiPUR US Certified for safety, environmental protection, and health. [REMOVABLE AIR LAYER COVER]- Includes two covers, one removable outer cover, and one fire-proof micro-fiber inner cover. Easy to remove and clean.