good mattress for back pain

{"title":"Foam Encased Individual Pocket Coil Mattress For Back Pain","imgUrl":"https:\/\/img.chinax.com\/nimg\/52\/8e\/b2328635d0bb538f3a1b84a03ffb-200x200-1.jpg","attrs":{"Price":"USD98.6~176.8","Brand Name":"Rayson or OEM","Model Number":"RSP-ML345","Minimum Order Quantity":"50pcs","Delivery Time":"about 30 days after received deposit","Certification":"CFR1632, CFR1633, EN591-1: 2015, EN591-2: 2015, ISPA, ISO14001.","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Packaging Details":"compressed with wooden pallet or rolled up packing","General use":"Home Furniture,Hotel \/ Home bedroom,Bedroom used","Type":"Bedroom Furniture,Spring","Packing":"Rolling packing in brown carton or flat compressed","Size":"All size,King,Queen,Single","Color":"At your option \/ as sample","Warranty":"15 Years","Fabric":"High Grade Knitted Fabric","Service":"OEM\/ODM","Product name":"Luxury Mattress","Mattress type":"two sided,Euro Top Pocket Spring Mattress","Style":"Elegance & healthy","Spring":"Standard Independent Pocketed Spring","Firmness":"Medium"}}

{"title":"Removable And Washable Cover POE Mattress Foam Encasement Edge Support for Better Sleep","imgUrl":"https:\/\/img.chinax.com\/nimg\/8a\/ef\/7fc4269bf3fe0e04d5061dff2403-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"U-micco","Model Number":"UM-0033","Minimum Order Quantity":"50","Delivery Time":"30DAYS","Place of Origin":"CHINA","Certification":"SGS\/FDA","Packaging Details":"CARTON","Payment Terms":"T\/T","Supply Ability":"5000PCS\/MONTH","Durability":"Good","Shipping":"Normal Package","Off-Gassing":"No","Firmness":"Medium Soft","Support Layer":"Air Fiber Foam","Warranty":"10-year Limited Warranty","Comfort Layer":"Air Fiber Foam"}}