About this item TIME TO SOLVE YOUR SLEEP PROBLEM - Utilizing thousands of testing hours, this mattress is designed to balance softness and support. Firm individually wrapped innerspring with a plush gel memory foam layer, for ultimate support, pressure relief, and heat dissipation, helps those with back pain, tossing & turning. COMFORT & UNDISTURBED SLEEP - Individually wrapped coils work independently and will absorb over 90% of motion disturbances from your partner. This medium-firm mattress perfectly contours your body curve from head to toe, is bouncy yet supportive and releases your body pain. REMOVE MOISTURE & ALLEVIATE FATIGUE - The plush layer of this pain-relief mattress contains bamboo charcoal fiber, which can remove moisture and absorb sweat, promote human blood circulation and metabolism, and alleviate fatigue. SLEEP IN HEALTH ALL THE TIME - This quilted knit pillow top cover is skin friendly. All foams are free of harmful substances that meet CertiPUR-US standards. High-Quality carbon steel spring coil for rust and deformation prevention. Please be rest assured there is NO fiberglass inside. SMARTLY SHIPPED & EASY TO SET UP - This mattress in a box comes rolled compressed, vacuum sealed, and packed in a small box. It's Easy to place, just pull out the sealed full mattress, cut the layer of plastic, and let it expand for 48 hours, it will expand to its original size. It fits all bed frames, such as box spring, floor, slatted base, flat platform.