The Joseph Furniture Stirling 6000 Grey Zip & Link Super King 6ft Mattress Is another example of the high quality product from the Joseph Furniture range. This soft to the touch mattress features handy turning handles to bring ease when flipping and turning the mattress. The top of the mattress features a plain white colour with a zig-zag line pattern stitched on the mattress and grey colour sides. This high quality and stylish mattress with it's zip and lock capabilities is perfect for any bedroom. Please Note: Images For illustration Purposes.