Extra Firm is the level of support to the body, suitable for extra heavily weighted people. This is not a comfort rating.
Open Coil are Bonnel springs in an hourglass shape, joined creating an open coiled mattress.
Fibre Fillings fillings are 100% polyester, man made, very durable, great recovery.
20mm Of Memory Foam is body moulding and pressure relieving, a filling that always recovers to its original state, ultimate comfort.
Mattress Depth 24 cm
Hand Tufted buttons evenly over the sleeping surface, keeping the fillings together and adding a tension to the springs.