Calcutta Canvas Co. Manufactures HDPE Fabrics and Tarpaulins. Calcutta Canvas Co. Offers Cotton Fabric Tarpaulins, Cotton Canvas Cloth, Polyester Cotton Cloth, Chemical Dyed Canvas Cloth, etc. The HDPE Fabrics and Tarpaulins is suitable for Trucks, Agriculturist, Temporary shed, warehouse covering, construction companies, sugar mills, other industries and govt. Departments also.