Coolbuddy is a new generation of water circulation cooling & warming technology products. With the heat absorption and evaporation of water by the main unit, the cool pad/mattress continuously circulate taking away the temperature btw the body and pad/mattress achieving the constant cooling effect around the body. Coolbuddy products range: A. water cooling mattress CB-C-1 B. water cooling & warm mattress CB-CW-1 C. Water warming mattress( coming soon) It can be widely used in household, such as bedroom mattress, student dormitory mattress, sofa cushion, car seat, and outdoor camping. www.mycoolbuddy.com info@mycoolbuddy.com www.facebook.com/mycoolbuddy www.twitter.com/coolmattress