Upgrade your outdoor sewing projects with PremoBond Bobbins Bonded Polyester Anti-Wick Thread BPT Size 138G (Tex 135G) Sand 72-pack. This bonded polyester thread features a continuous filament construction and twisted and plied yarn for added strength, making it 30% sturdier than standard threads. Each bobbin holds about 17 yards of high-performance thread, designed to resist mildew, UV rays, and fading. The anti-wick property helps prevent moisture from traveling along the thread, ideal for marine and outdoor applications. Pre-wound for convenience, this 72-pack of sand-colored bobbins is perfect for heavy-duty sewing, industrial use, and outdoor upholstery.