Our Luxury iCoil Spring Mattress offers an excellent sleep solution for a healthy night's sleep. The Enhance Euro Box Top Spring Mattress by Zinus is a deluxe mattress that offers independent iCoils to reduce motion transfer from a sleeping partner, while maintaining customized spinal alignment. This Euro box top mattress features Pressure Relieving Comfort Foam and Fiber Quilted Cover. The combination of Pressure Relieving Comfort Foam layers and iCoil Pocketed Springs provides luxury and support for a comfortable and healthy nights sleep. Please open your mattress package within 72 hours of receipt and allow 48 hours for your new mattress to return to its original, plush shape. Another comfort innovation from Zinus. Pioneering comfort.