Standard Full Size Pocket Spring Mattress Standard Full Size Mattress compressed and rolled for easy shipping, Insulation pads and foam layers between coils and cover Pocketed Coil springs are not joined at the top or the bottom, this allows it to adjust individually to the weight and contour of your body Pocket spring count: 1.8mm, H 20cm. Full: 20x28=560 coils; each mattress compressed and roll packed into plastic bag,in a brown carton Full Size: 54"W x 74"L x 8"H Photo May Slightly Different From Actual Item in Terms of Color Due to the Lighting During Photo Shooting or the Monitor's Display