Enjoy exceptional support and a restful sleep with this mattress, featuring hypoallergenic fibre fillings for a healthier night’s rest. The 12.5 gauge open coil spring unit offers reliable, firm support, while the extra firm tension is perfect for those who prefer a sturdier feel. With a 26cm depth, this double-sided mattress can be easily flipped and rotated to ensure long-lasting comfort and durability. Ebern Designs Mattress Size: Super King (6')