sidewalk chalk , jumbo chalk, color sidewalk chalk with blister packing Our chalk factory located in Hubei Province, China. We produce all kinds of high quality chalks and related products with 20 years' technology and skills. 1-capacity:300,000,000 chalk sticks per year 2- packaging: We supply 4-color printed box, PVC box, blister card, showing box and other. As customer request 1,2,3,4,5,6pcs/box; 10,12,16,30,50/box,60,100,144/box and so on. 3- specifications: European specifications no.3 part en 71/3 of 1999. 4- product and raw material are tested in the royal scientific association(rsa government labs) and S. G. S Shenzhen office China. 5- features: - non toxic chalk ; - dustless ; - easily erased ; - smooth writing ; - does not scratch the board ; -weight 4-5 gram/stick. According to ISO 9002 specs. ;- available in all colors ;- tapered chalk 76(l)*12(dia)*10(dia) mm ;- tapered chalk 76(l)*9(dia)*10(dia) mm ; -straight chalk 80(l)*10.0(dia)*10.0(dia) mm ; - straight chalk 100(l)*10.0(dia)*10.0(dia) mm ; -tapered chalk 25(dia)*20mm(dia)*105mm ;-rocket shaped chalk 50mm(dia)*50mm(dia)*220mm (L) Our long experience in the production and careful control measure assure you of reliable quality, and our big production capacity and location ensures quick delivery and good service. You are welcome to get in touch with us for more information and price, either by fax or e-mail. Upon receipt of your specific requirement, we will be glad to quote our competitive prices as soon as we can. It will be our pleasure to be of service of your estimated organizations. 6- we do OEM production. Hoping to hear from you the as soon as possible!Any more questions,pls free to emailme.Thanks and best regards,Yakata Zou -----Sales ManagerJuncheng Chalk Products Factory Inc.Tel : 0086-712-3234990;3239308Fax: 0086-712-3249778Mobli : 0086-139726-83189