Sunguard UVR Bonded Polyester Thread is twisted and bonded through a specialized bonding and dyeing process for maximum colorfastness and performance. Engineered with anti-wick finish to combat seam leakage and color-matched to popular acrylic awning fabrics including Sunbrella and Outdura. Designed for awnings, marine canvas, boat covers, outdoor upholstery, and umbrellas where UV resistance and seam integrity matter.