BEST REVIEWED MATTRESS - Purchase the top rated twin mattress at the lowest price. Aveline delivers high quality memory foam comfort and support at a price you can afford. SLEEP SOUNDLY - Reduce pressure on your head, neck and spine with an open cell memory foam twin mattress. Aveline helps align your spine and reduce pressure on your hips, lower back and shoulders. INDEPENDENTLY TESTED - The foam inside is CertiPUR-US certified so you can be sure it’s made without formaldehyde, heavy metals, PBDEs, TDCPP or TCEP (”Tris”) flame retardants, and is low on VOC.