Seamless Curved Edge Design with Silk - Seamless curved edge design reduces the pressure applied to legs when sitting on edge - The cover is made of premium fabric, breathable and comfortable - Added with silk component with thermoregulation function - Multiple high-density foam layers with a convoluted foam layer which enhances air circulation and drives away moisture - All the 6 sides of mattress are surrounded by high-density foam, which can maintain its shape overtime - Coils in Coils technology retains both the benefits of Open Coils and Individual Pocketed Coils Systems - Protected with anti-dust mite coating and fire retardant treatment - 15-year warranty on spring coils# (Individual Pocketed Coils are also available) #Warranty subject to applicable terms & conditions; please refer to “Mattress Warranty Terms and Conditions” from this website for further details.