Professional thread for high volume sewing & quilting. Extra strongand ideal for indoor and outdoor upholstery. More yardage means lessdown changing out empty spools and more time doing what you love.Snap trap spool. 1500 yards per spool. Thread Weight: 15. Recommendedmachine needle size 16 or 18. Fiber Content: 100% Bonded Nylon. Thispackage contains one 1500 yard spool of upholstery thread. Availablein a variety of colors. Each sold separately. Imported.