where to buy poster board

{"title":"Pre Printed Plastic Sign Board , 3d Plastic Poster Board Vacuum Forming","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/1b\/cb\/843c8bdb9f6b6f310c555143ffc4-200x200-1.jpg","attrs":{"Price":"$13.00~$18.00 per piece","Brand Name":"Bosen","Model Number":"BS20160101","Minimum Order Quantity":"100","Delivery Time":"15~25 days","Certification":"ISO","Place of Origin":"CHINA","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"5000pcs\/week","Packaging Details":"Standard packing","Name":"Pre-printed\/distortion printed vacuum forming 3d embossed plastic poster","Material":"ABS, PS, PET, PVC, PP, PMMA, PETG, PC","Thickness available":"0.2~8mm","Color":"Custom color","Design":"OEM design","Drawing format":"AI, STP, IGS, DWG","Mold type":"Aluminum mold","Surface treatment":"Screen printing, Spray painting, offset printing, chrome plating","Process":"Vacuum forming"}}

{"title":"Indoor P2RGB LED Digital Signage 1000mcd\/m2 For Retail Shop","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/36\/11\/94290ffde2794345ecbc0eb725f5-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"DL","Model Number":"P2RGB","Minimum Order Quantity":"1PC","Delivery Time":"2-3weeks","Certification":"CE\/Rohs\/PSE","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T, Western Union, Credit Card, Visa","Supply Ability":"100square meters\/month","Packaging Details":"carton box","Product Name":"LED Display Screen","Pixel Pitch":"2mm","Pixel Density":"250000dots LED\/\u33a1","Module SIze":"320*160mm","Display Size":"640*1120mm","Brightness":"1000mcd","Viewing distance":"2-30m","Application":"Indoor, semi outdoor, beside window"}}