how to send a postcard

{"cid":"91196044","title":"Disnfectant Sleep Aid Items Lasting Scented Thick Paper Cards Fragrance Culture Postcards OEM","imgUrl":"https:\/\/img.ismap.com\/nimg\/10\/65\/d2bce42668a9b6b3244dcf0ed764-200x200-1.jpg","attrs":{"Price":"0.1$-0.2$\/ piece","Brand Name":"AROMAGOOD","Model Number":"Fragrance Postcards 001","Minimum Order Quantity":"3000 pieces","Delivery Time":"7-12 working days (varies with quantity)","Certification":"SDS,SGS,ISO9100","Place of Origin":"Guangzhou, China","Payment Terms":"T\/T, Western Union, PayPal","Supply Ability":"1000000\/PCS\/Month","Packaging Details":"Normal package: 1pc sealed in a poly bag,1000pcs \/ carton Carton size: 55*33*35cm GW: 13KG 2.We can also pack according to your requests.","Material":"Thick Paper","Thickness":"2mm","Size":"Customized","Shape":"Square, Round or Customized"}}

{"cid":"91197971","title":"PLC Photoelectric Control Counting Automatic Card Feeder","imgUrl":"https:\/\/img.ismap.com\/nimg\/bd\/68\/08c5925c567f04145b3e1f936a28-200x200-1.jpg","attrs":{"Price":"USD 3000 per set","Brand Name":"CHANFER","Model Number":"FK100","Minimum Order Quantity":"1 set","Delivery Time":"3 days","Certification":"CE","Place of Origin":"CHINA","Payment Terms":"T\/T","Packaging Details":"export standard wooden box","Size":"custom made","Color":"customized","Quality":"High-Quality,100% tested","Package":"Wood Box","Packing":"Normal Export Carton","Warranty":"1 Year","Port":"Guangzhou","Material":"Steel"}}