![Amazon.com: All Purpose Extra Strong Heavy Duty Bonded Black Sewing Thread Great for Quilting,Upholstery, Leather, Denim, Marine, Outdoor and Camping Products. T70#69 210D/3PLY 1400 Yards. : Arts, Crafts & Sewing Amazon.com: All Purpose Extra Strong Heavy Duty Bonded Black Sewing Thread Great for Quilting,Upholstery, Leather, Denim, Marine, Outdoor and Camping Products. T70#69 210D/3PLY 1400 Yards. : Arts, Crafts & Sewing](https://m.media-amazon.com/images/I/51BtBnPSktL.jpg)
Amazon.com: All Purpose Extra Strong Heavy Duty Bonded Black Sewing Thread Great for Quilting,Upholstery, Leather, Denim, Marine, Outdoor and Camping Products. T70#69 210D/3PLY 1400 Yards. : Arts, Crafts & Sewing
![Amazon.com: Mandala Crafts Assorted Heavy Duty Thread - #69 T70 210D/3 6000 Yds Polyester Thread for Sewing Machine Outdoor Marine Jeans Leather Thread Drapery Upholstery Thread Amazon.com: Mandala Crafts Assorted Heavy Duty Thread - #69 T70 210D/3 6000 Yds Polyester Thread for Sewing Machine Outdoor Marine Jeans Leather Thread Drapery Upholstery Thread](https://m.media-amazon.com/images/I/81uHBWITW5L.jpg)
Amazon.com: Mandala Crafts Assorted Heavy Duty Thread - #69 T70 210D/3 6000 Yds Polyester Thread for Sewing Machine Outdoor Marine Jeans Leather Thread Drapery Upholstery Thread
![Amazon.com: EZ-Xtend #138 Bonded Polyester Thread 100% American Made for Outdoor and Marine Fabric Sewing Applications, Awnings, Tarps, Canvas. for Heavy Duty and Industrial Sewing Machines (Black, 8 oz) Amazon.com: EZ-Xtend #138 Bonded Polyester Thread 100% American Made for Outdoor and Marine Fabric Sewing Applications, Awnings, Tarps, Canvas. for Heavy Duty and Industrial Sewing Machines (Black, 8 oz)](https://m.media-amazon.com/images/I/717Igl7ITNL._AC_UF894,1000_QL80_.jpg)