This memory foam and spring mattress consists of 11 layers of body-friendly anti-allergy materials to provide you with extreme comfort for rest. Designed to be an orthopedic firm, it is capable of holding up to 120kg for your optimal experience. Smooth Tencel cover is built of high-strength degradable fibers with good heat dissemination. It allows more air and absorbs moisture better than traditional fabric types so that you can have a silky and cool bedtime. Good for your skin/body health. Ideal for children and adults. It is the memory foam layer that comes right under the single mattress cover. It offers you extra comfort and more benefits including pressure sore relief, neck/spine/back/hip pressure improvement, accommodation of different sleep positions, and motion/turning noise absorption. This mattress comes with a fabric-enclosed coil spring system, in which each spring is not connected and acts on its own. No more disturbed sleep caused by motion transfer. Good responsive steel springs are also very helpful to muscle pains, spine contours, and blood circulation. This extreme comfort single mattress has an 11-layer body support system built of quality materials with high breathability. All are free of mites or other harmful substances. Each piece is tested before shipment to ensure your cool, safe, and healthy sleep. Suitable for back/side/front sleepers. This single-bed mattress model is suitable for people of different ages. Feedback from a majority of our customers is satisfied with its medium-firm feel. Still, comfort levels might vary among different people. You can reach out to us for assistance with personalized recommendations.