12WT Bonded Polyester Outdoor Thread. Improved resistance to strength loss from UV exposure over standard polyester filament thread. No lint. No joint. Outdoor Living Thread This high quality thread is ideal for sewing and repairing sturdy fabrics and materials, directly from the suppliers who serving sewing threads to famous car brands for car seat covers in the market. This contains buff color Thread, 250 Yards per snap spools, 2 spools. It is UV resistant to withstand exposure to the elements. Available in variety of colors (each sold separately, 8 color kit available). It is made from raw material filament polyester thread size in TEX 69, finished thread size in TEX 90 (12WT) after twisting and bonded etc. With machine needle size16 or 18, it is Compatible with most sewing machines. Recommended hand Needle size: 1, 2, 3, 4 or 5. As a strong, tough, heavy duty thread, it is ideal for canvas sails, tents, outdoor furniture and awnings. UV resistant and colorfast so it can withstand exposure to the elements. Great for indoor/outdoor upholstery, furniture and for sewing any outdoor project such as patio cushions, pillows, grill covers, umbralla, sails, tents, outdoor furniture, awnings and more. Simthread Bonded Polyester Thread 12WT TEX 69 for Outdoor Household Thread