SensorPEDIC Luxury Supreme 2-Inch Memory Foam Mattress Topper with Ventilated Icool Technology, Twin Size, White Rejuvenates your old mattress or makes you new mattress better; The Luxury Supreme topper refreshes your sleeping environment at an economical price Odor-Free Sensor-Foam Memory Foam provides just the right amount of pressure relieving support for head, shoulders, lower back and hips iCOOL technology enhances breathability and is five times cooler than the leading competitor's memory foam keeping you drier and more comfortable The cover consists of 250 gram weight, triple layer, luxury circular knit fabric for an added level of softness to the sleeping surface Made without ozone depleters. Made without PBDEs, TDCPP or TCEP (&#039;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).