Memory foam is an innovative material which is made from a substance called viscoelastic. With its highly energy absorbent and soft, memory foam can improve the quality of sleep. And that’s why having the Sleep Joy 3” ViscO2 Ventilated Memory Foam Mattress Topper above your mattress will bring you a really comfortable and sound sleep at night. Main features of Sleep Joy Memory Foam Mattress Topper - The enhancer is made in ViscO2 – the newest and latest innovation of memory foam … [Read more...]