Vicar Distinction-Poly is a heavyweight UVR and mildew-resistant polyester thread in 277 tex (T-270) format, designed for accent and contrast stitching where seams are part of the visual design. Available in 20 bold, contrasting colors. Recommended for marine and automotive seating, golf cart upholstery, outdoor furniture, accent topstitching, and tonneau covers. Requires a heavy-duty commercial machine with a No. 23 needle or larger.