Amazon.com: 6 Rolls Strong Upholstery Thread High Strength Sewing Waxed Thread with Hand Stitching Needle Set for Denim Leather Craft DIY Machine (Black, White, Red, Dark Blue, Dark Green, Brown, 0.55 mm) :
Understanding Thread Sizing
Gutermann Upholstery Thread 868 Dover Beige 300m – Red Rock Threads
Ryalan UV Resistant High Strength Polyester Thread for Upholstery, Outdoor Market, Drapery, Beading, Purses, Leather, Hair Weave Bundles, Hair Extensions, Wig DIY Project 3 Rolls (3 Thread, Black) 3Thread Black