how to make a chalkboard sign

{"cid":"91190224","title":"Wood Framed Chalkboard Wall Hanging Sign Decorative Wood Wall Pub Sign","imgUrl":"https:\/\/img.chinax.com\/nimg\/b1\/e1\/926135953552ffd236a77075081d-200x200-1.jpg","attrs":{"Price":"Negotiated","Brand Name":"JHR","Model Number":"NF1182","Minimum Order Quantity":"40pcs","Delivery Time":"45 days","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"5000pcs per month","Packaging Details":"1. 6 pcs per carton; 2.Packing by bubble bag,corners protected by kraft paper,then put into carton","Material Details":"Wood\/MDF and resin","Size":"60x40cm","Color":"Black","Artwork":"Hand Painted","Functions":"Decoration of restaurant,pub,,shop,etc.","Theme":"Billiards"}}

{"cid":"91188534","title":"Custom Kitchen Message Board Chalkboard Wooden Feature A Frame Style","imgUrl":"https:\/\/img.chinax.com\/nimg\/46\/8b\/9f7fa542e050acc38820bdd0d5ba-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"SUODUN","Model Number":"SD1006","Minimum Order Quantity":"300 Pieces","Delivery Time":"15-30 Days","Certification":"SGS,BV","Place of Origin":"Henan, Wuzhi","Payment Terms":"L\/C, D\/P, T\/T, Western Union","Supply Ability":"5000 Pieces Per Day","Packaging Details":"5 Ply Carton","Frame Color":"White, Black, Green, Blue, Wood Color","Size":"11''*18''- 24''*40''"}}