The Ortho Tec Gel mattress features a soft luxurious circular knit with plush quilting and cool Gel-infused memory foam. It has middle and side supports to strengthen the mattress and effective bodyweight distribution because of our world-famous Bonnell dual spring system, engineered using Swiss technology. It is a non-turn mattress, comes with a 15-year warranty, and can hold 130 kg weight per person.