We are specialized in producing and exporting all kinds of chalk for many years. Directlty we exported to many countries all over the world every year more than 100 containters. We hope to establish a long term business relations with your company on the base of mutual benefit. Kindly pls find our quoattion and product images for you in attachment. And we have 50pcs/box, 12pcs/box, 10pcs/box for more questions pls feel free to email me. If you have interest in this item, please feel free to contact me. Your kind coopeartion with early reply shall be great appreciated!