firm spring mattress with sponge edge

{"cid":"91201933","title":"High End Firm Spring Mattress With Sponge Edge Support","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/2a\/a3\/03b4c82e12c83dbaa28e6a7ad9a9-200x200-1.jpg","attrs":{"Price":"NEGOTIABLE","Brand Name":"U-micco","Model Number":"spring mattress","Minimum Order Quantity":"50","Delivery Time":"30DAYS","Place of Origin":"CHINA","Certification":"SGS","Packaging Details":"CARTON","Payment Terms":"T\/T","Supply Ability":"5000PCS\/MONTH","type":"Spring Mattress","edge support":"Yes","pressure relief":"Yes","support":"Spring","durability":"10 Years","size":"Super Single\/Queen\/King","firmness":"Firm","thickness":"23cm"}}

{"cid":"91187633","title":"ASTM F1566-2009 Mattress Ester With Rolling , Hardness , Edge Testing Function","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d7\/49\/ef37f757a2396968514d4f8a8df9-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"ZL","Model Number":"ZL-2017","Minimum Order Quantity":"1 set","Delivery Time":"5-8 work days","Certification":"CE,ISO","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"60 Sets","Packaging Details":"Mattress Ester With Rolling , Hardness , Edge Testing Function is packaged within wooden case.","Product name":"ASTM F1566-2009 Mattress Ester With Rolling , Hardness , Edge Testing Function","Test specimens":"Mattresses, spring, the maximum size of 2.0m * 2.0m * 0.5m","Payload":"1400 \u00b1 7 N","Cycles":"0 ~ 999,999 times","Test speed":"16 \u00b1 2 beats \/ min","Length":"36 \u00b1 3in (915 \u00b1 75mm)","Power":"220V 50Hz","Key words":"Comprehensive test"}}