King Koil Basic XL Chiro-Tech Coil mattress are made with 2.20mm diameter hard drawn, high carbon spring steel wire. Each spring unit is unknotted at the top and bottom endings that flexes independently for maximum sensitivity to body contours and provides proper spinal alignment for anatomically correct support in the vital lumbar area.
Since the small convolutions require more pressure to compress than the larger ones, both light and heavy bodies can be accommodated. This coil system has double the coil count than normal bonnel system, therefore it gives greater stability, firmness, support and comfort.
With every purchase of King Koil Basic XL Chiro-Tech Coil mattress are entitle FREE Supersoft Polyacron fibrefill pillow.