The spring king sublime 1000 mattress is handmade luxury and has pocket springs delivering a higher degree of individual body support than your average pocket spring mattress spring king mattress is complete with a modern belgian damask cover and is hand tufted for added comfort and support the luxurious medium to firm feel spring king mattress uses a pocket spring unit of 1000 springs and has a high quality hypoallergenic cover comprising of various layers of polyesterthe pocket sprung unit fea