This double mattress features independent pocket springs that follow the contour of your body. This helps to maintain a pine in its natural posture, and provide the deep down correct support. Offering comfort like you've never experienced, the unique 220mm gauge pocket coil also delivers outstanding support and zero partner disturbance through motion isolation. The high quality fabric covering provides a smooth and plush comfort feel, giving your mattress a velvety softness and natural touch. This mattress comes compressed and rolled for easy shipping (it may need 24 hours to fully expand).