PremoBond Bobbins Bonded Polyester Anti-Wick Thread BPT Size 69M (Tex 70M) Black 72-pack offers durable, pre-wound bobbin thread designed for outdoor and heavy-duty sewing projects. Featuring bonded polyester construction with anti-wick and non-wicking properties, this black thread resists moisture, UV rays, and fading, making it ideal for canvas, marine, patio, and outdoor fabrics. Each bobbin contains approximately 51 yards of continuous filament, twisted multifilament polyester, providing superior strength and stretch control for demanding uses. The 72-pack ensures ample supply for sewing machines and projects requiring weather-resistant, high-strength thread.