how to make dry erase board

{"cid":"91188534","title":"4 X 8 Magnetic Dry Erase Board For Classroom OEM Service Long Working Life","imgUrl":"https:\/\/img.ismap.com\/nimg\/0b\/b2\/44df5c2e22926d221aabf005e5a0-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"SUODUN","Model Number":"7701","Minimum Order Quantity":"300 Pieces","Delivery Time":"15-30 days","Certification":"SGS, BV","Place of Origin":"Henan","Payment Terms":"T\/T, D\/P, L\/C","Supply Ability":"5000 Pieces Per day","Packaging Details":"5 ply Carton","type":"standard whiteboard or glass whiteboard","magnetic":"yes","color":"white,green,blue","print":"as your request","size":"45*60,60*90 cm or as your requirement","accessories":"pen, eraser","core":"corrugated","application":"office, calssroom"}}

{"cid":"91214285","title":"Custom Office School Whiteboard Marker Pens Magnetic Dry Erase Markers","imgUrl":"https:\/\/img.ismap.com\/nimg\/48\/2b\/b442703be385383b0df25dc084bc-200x200-1.jpg","attrs":{"Price":"USD 0.1-0.5 \/ pieces","Brand Name":"UCI","Model Number":"magnetic marker pen","Minimum Order Quantity":"1000 pieces","Delivery Time":"1-2 month by ship","Certification":"SGS","Place of Origin":"China","Payment Terms":"Western Union, T\/T","Supply Ability":"100000 pieces per month","Packaging Details":"Carton box","Material":"plastic","Color":"custom","Size":"standard size","Package":"opp bag,custom","Logo":"no","Application":"office,school","Feature":"easy to erase","Sample time":"3-7 working days"}}