Dreamweaver Lumbar Elite King Size for Hard Sided Waterbed Mattress Replacement is 99% Waveless. This chiropractic designed fiber pad provides extra support in the lumbar and upper torso area. You will experience an ultra firm sleeping surface with superior edge support on this mattress. All Lumbar Elite Series are Chiropractically Designed and MADE IN THE USA! 20 mil vinyl, 100 mil reinforced corners, Exclusive patented 3D-Lap seam construction. 14 Year warranty 5 full replacement and 9 prorated Also available in Dreamweaver Supreme Series and Lumbar Tethered Series(see description below)