The Sleep Master 10" Euro Box Top Quilted Memory Foam Eco Mattress is perfect for a better night"s sleep. The top layer consists of quilted fabric, fire barrier, and a half inch of premium quality heat sensitive memory foam. The second layer is 2.5 inches of heat sensitive memory foam. The third layer is 3 inches of pressure relief foam that eliminates pressure points and the fourth layer of 4 inches of high density foam provides long lasting durability and stability. All Sleep Master memory foam mattress are made with BioFoam TM to minimize the use of petrol based chemical oils, and Evergreen, real green tea extract, to help neutralize odors. ActivCharcoal , made from purified charcoal, is also included to help absorb moisture and odors as well. Sleep Master memory foam mattresses also contain CertiPur-US certified, flexible, polyurethane foam and offer a limited 5 year warranty. Compression technology allows for Fedex/UPS delivery. Meets all FR standards. Please allow a full 48 hours for it to fully expand. Memory foam is resistant to dust mites and naturally antimicrobial. The Sleep Master Bi-Fold Box SpringTM is a convenient, stable, and solid support foundation for your mattress. It folds for easy maneuvering and quick setup. This supportive box spring incorporates a heavy-gauge steel construction that ensures long-lasting durability. The Sleep Master Bi-Fold Box SpringTM Mattress Foundation will provide years of comfort and use. Durability tested and Limited warranty.