Mittal Trading and Co. Supplies Mini White Board Duster. Mittal Trading and Co. Offers a range of School Stationery, Gifts and Promotional Items, Office Stationery, Spike Guard, etc. The Mini White Board Duster is a school stationary used in din schools, colleges, offices, seminars etc. The duster cleans the board in a very unique way. The duster is small in size and available in different colors and shapes. These mini white board dusters are specially designed for small children, play school etc.