Prang Hygieia Dustless Board Chalk, White, 12 Per Pack, 36 Packs

This superior chalk is 95% pure calcium carbonate and free of foreign materials that work their way into the board surface causing scratching, streaking and pitting. Round stick 3-1/4" x 3/8" fits most chalk chucks. AP certified non-toxic. Each box includes 12 pieces of chalk. Sold as 36 boxes for a total of 432 pieces. Special Shipping Information: This item ships separately from other items in your order. This item cannot ship to a P.O. Box. This item may be subject to additional processing days. ITEM IS NOT ELIGIBLE FOR EXPEDITED SHIPPING You may initiate a return for unused items within 30 days, if the items are in original packaging with all original materials included with the shipment.Special Shipping Information: Item ships separately from other items in your order. Item cannot ship to a P.O. Box, APO, or PPO. Item may be subject to additional processing days. Item is not eligible for expedited or international shipping.You may initiate a return for unused items within 30 days, if the items are in original packaging with all original materials included with the shipment