YKK 8 Vislon UV separating zipper (VFUVOL-87 DXL E) with auto-lock double pull metal slider. Injection-molded acetal plastic teeth on UV-resistant polyester tape, 8mm chain width and 5/8" tape width. Designed for marine canvas, awning enclosures, boat covers, tents, bags, upholstery, and industrial curtains. Self-lubricating, corrosion-resistant, and operates smoothly through sand, mud, and salt. Color is integrated into the molded teeth and will not peel, chip, or rub off. Recommended for straight applications. Available in black or white from 14" to 144" lengths.