We are offering uchit low dust chalks. Our uchit dustless chalks are plaster of paris based, which are lighter, whiter, and suitable for cemented boards, wooden boards even in big classrooms. Due to its lightweight nature, it is called low dust chalks, which are slightly tapered in shape. The free test samples can be sent on demand. specifications :- dustless : yes (low dust)clour : whitesize : 910* 80 mm (tapered slightly)packaging : 100 and 50 piecesbrand name : uchit