YKK Vislon #8 Lock Slide 36 inch - White features durable Vislon molded plastic teeth on a strong polyester tape designed for weather resistance and longevity. This locking zipper includes a double pull slide mechanism that opens from both ends, making it versatile for applications like marine, outdoor, awnings, and upholstery where corrosion, chemical, and UV resistance are essential. Its #8 size construction ensures reliability in demanding environments while maintaining a clean white finish to complement patio and outdoor decor projects. The zipper's polyacetal resin slider adds strength and smooth operation, ideal for separating zipper needs requiring a secure lock and two-way access.