The sewing machine is designed for sewing heavy materials with thick thread, such as leather, vinyl, upholstery, synthetics, canvas and various coated and laminated. For stitching such products as auto, boat and furniture upholstery, tarpaulins, covers, sails, tents, camping trailer covers, awnings, umbrellas, canopies, bulk container bags, luggage, jumbo bags, backpacks, travel ware accessories, sports and camping equipment, outdoor clothing, canvas shoes, slippers and others. Currently in china this model is the most popular machine for professional manufacturers of container bags/ bulk bags. 0.225 cb.M, 85 kgs