Corrosion-proof performance for boat covers, enclosures, sail bags, tents, and outdoor gear.

FlexaZip Marine Grade Zippers Built for salt, sun, and heavy-duty outdoor use. FlexaZip zippers are purpose-built for tough marine and high-exposure applications so you get smooth operation, reliable closure, and long-lasting durability where rust isn’t an option.

Why FlexaZip#10? Heavy-duty molded plastic teeth for lightweight strength and long-lasting performance. All-plastic, corrosion-resistant components designed for marine + saltwater environments.

Auto-lock slider helps keep your zipper securely closed and double-pull design for easy access from either side.

Separating zipper construction for versatile canvas and enclosure builds.

Weather- and UV-resistant for dependable outdoor performance.

Extra-wide 3/4" tape for smooth, easy sewing and a clean finish.

Best For: marine canvas + upholstery pros, DIY boat cover repairs, bimini and enclosure builds, and any project needing a rust-free #10 zipper.

FlexaZip is designed to perform in rugged marine and outdoor conditions, delivering dependable closure where it matters most: Marine enclosures Sail bags Tents and awnings, outdoor gear and heavy-duty fabric projects.

Tooth Size: #10 molded plastic slider: auto-lock, all-plastic (corrosion-resistant)

Pulls: double-pull (two sliders) Construction separating zipper

Tape Width: extra-large 3/4" wide tape (easy sew)

Colors: Black or White

Lengths: 24"–120" (ready-made) Choose Your Size measure the finished zipper opening(not the fabric edge), then select the closest zipper length. If you’re between sizes, sizing up is often easiest to create a tale or split the difference for easy zipping.

Are these zippers marine safe? Yes—FlexaZip uses corrosion-resistant, all-plastic components designed to handle saltwater exposure and harsh weather.

What does “separating zipper” mean? A separating zipper fully separates at the bottom—ideal for enclosures, covers, and panels that need to open completely.

Do the sliders lock? Yes—these feature an auto-lock all-plastic slider to help keep the zipper in place until pulled.

Pro Tip: Pair FlexaZip with marine-grade thread for the cleanest stitch and best long-term performance.

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FlexaZip Marine Grade #10 Separating Zippers (All-Plastic, Double Pull)