Upholstery set - One Pack of Four Upholstery Needles with a COATS & CLARK Extra Strong Upholstery Nylon Thread, 150-Yard, Natural. This package includes one Pack of 4 Upholstery Needle and one spool of Natural Extra Strong Upholstery Thread (150-Yard). Upholstery Needles includes 4 sizes per pack - 6-inch, 8-inch, 10-inch and 12-inch. Thread is a heavyweight 100% nylon thread for machine and hand sewing indoor and outdoor heavyweight fabrics It is a bonded 3-ply nylon thread that is weather abrasion mildew and UV resistant They are great for tying springs to webbing, sewing edges, stitching through padding, tufting, attaching buttons and anchoring spring bottoms to webbing also Great for weaving Upholstery sewing will be a breeze with these amazing value pack!