• Snap Extenders for Boat Canvas – 1.5" 20 Pack, Heavy-Duty Brass-Plated Boat Cover Snap Extender, Polypropylene Boat Canvas Snaps, Finger Loop for Easy Fastening

Tired of struggling with your boat cover after a long day on the water? The SERO Innovation canvas boat cover snap extender is the perfect solution for boaters who face the common problem of canvas shrinkage. Made with durable, tactical polypropylene webbing and corrosion-resistant brass-plated nickel snaps, these snap strap extenders ensure a secure fit while extending the lifespan of your boat cover.

These boat cover straps extenders are designed to connect a snap fastener stud to a socket on boat covers that have shrunk over time. Instead of forcing a tight cover into place, which often leads to damage or tears, this boat shade extension provides an extra 1"" to 3"" of adjustment, allowing for a proper fit and simple fastening. The built-in finger loop is an added convenience, offering an easy grip for pulling the cover tight without straining your hands. Whether you're dealing with an older canvas that's seen improved days or a new cover that just doesn't seem to fit quite right, our snap tool for boat covers provide the flexibility you need.

Available in multiple sizes (1"", 1.5"", 2"", and 3""), these extenders come in packs of 5, 10, or 20, ensuring there's a solution for any cover size. The heavy-duty design means they’ll hold up in all types of marine environments, from freshwater lakes to saltwater seas, without corroding or losing strength. They help prevent tears, extend the life of your cover, and make your boating experience more enjoyable.

If your boat cover has become difficult to manage due to shrinkage or harsh weather, these snap extenders will save you time and effort. Installing them is quick and easy, and they ensure that your boat cover remains secure through wind, rain, and sun. By offering additional length and flexibility, the SERO Innovation Boat Cover Snap Extenders keep your boat protected without the frustration of struggling with a tight or shrinking cover.


  • Finger Loop - Featuring a convenient finger loop, these boat canvas snap extenders make securing boat covers easier than ever, providing improved leverage for tightening canvas covers with minimal effort.
  • Top-quality Materials - Crafted from tactical polypropylene webbing and durable brass-plated nickel boat snaps, ensuring long-lasting durability and high tensile strength, perfect for all marine conditions.
  • Corrosion-Resistant Snaps - With 304 stainless steel snaps for boat cover that resist corrosion, these extenders maintain their strength over time, providing reliable performance even in challenging marine environments.
  • Ease Boat Cover Tension - Designed to resolve boat cover shrinkage issues, these boat cover snaps extenders allow a snug fit, preventing cover tears caused by stretching due to wear or weather changes.
  • Versatile Sizing Options - Available in 12 variations with sizes ranging from 1" to 3", these canvas snaps extenders come in packs of 5, 10, or 20, offering a perfect fit for any boat cover requirement.

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Snap Extenders for Boat Canvas – 1.5" 20 Pack, Heavy-Duty Brass-Plated Boat Cover Snap Extender, Polypropylene Boat Canvas Snaps, Finger Loop for Easy Fastening

  • $28.95