PremoBond Bobbins Bonded Polyester Anti-Wick Thread BPT Size 138M (Tex 135M) White 72-pack offers durable sewing with marine-grade strength and weather resistance. Each pre-wound bobbin features continuous filament bonded polyester yarn that is twisted and plied for enhanced toughness, delivering an average breaking strength of 20 lbs and approximately 26 yards per bobbin. The anti-wicking properties protect against moisture infiltration, while mildew and UV resistance ensure reliable outdoor performance. Designed specifically for outdoor applications, this white 72-pack is ideal for reinforcing patio fabrics, marine canvases, and other durable outdoor living projects.