Zipper Pulls Buying Guide: #3 vs #5 Sizes and Styles

Quick answer

Match the pull size to your zipper tape size: #3 pulls fit #3 coil zippers, and #5 pulls fit #5 coil zippers. For most handbags, pouches, and backpacks, #5 is the standard choice because it balances durability and smooth operation. If you want a coordinated look, choose a pull that matches your zipper teeth finish, such as bronze, silver, or rose gold.

You've chosen your zipper tape, cut it to length, and sewn it in. Now you need a pull that slides smoothly and looks right. But with so many sizes and finishes, it's easy to grab the wrong one. This guide will help you choose zipper pulls with confidence, whether you're making a simple pouch or a heavy-duty backpack.

We'll break down the difference between #3 and #5 pulls, explain why metal and nylon options behave differently, and show you how to use bundles to your advantage. By the end, you'll know exactly which pull to pair with your project.

Why Zipper Pull Size Matters

Zipper pulls are not one-size-fits-all. The number on a zipper pull refers to the size of the zipper tape it's designed to fit. A #3 pull fits a #3 zipper, and a #5 pull fits a #5 zipper. Using the wrong size can cause the pull to jam, slip, or feel loose. It may even damage the zipper teeth over time.

Most bag makers use #5 zippers for main compartments because they're sturdy and smooth. #3 zippers are lighter and often used for interior pockets or small pouches. When you buy pulls, always check the size number. If you're unsure, test a pull on a scrap piece of zipper tape before installing it.

• Always match the pull size to the zipper tape size.
• If you're between sizes, size up for a smoother slide.

#3 vs #5 Zipper Pulls: What's the Difference?

#3 zipper pulls are smaller and lighter. They work well for delicate projects like coin purses, small pouches, and garment pockets. Because they're less bulky, they won't overwhelm a tiny bag. However, they may not hold up to heavy use or thick fabrics.

#5 zipper pulls are larger and more robust. They're the go-to choice for handbags, backpacks, and toiletry bags. The larger pull gives you more to grab, which makes opening and closing easier. If you're making a bag that will see daily use, #5 is usually the better bet.

• Choose #3 for small, lightweight projects.
• Choose #5 for bags that need durability and easy grip.

Metal vs Nylon Zipper Pulls

Zipper pulls come in metal and nylon. Metal pulls, like those in bronze, silver, and rose gold finishes, add a premium look and feel. They're heavier and can be more durable, but they may also be louder and slightly more expensive. Nylon pulls are lightweight, quiet, and come in many colors. They're a great choice for kids' items or projects where weight matters.

The finish of your pull can also tie your project together. For example, if you use a bronze zipper tape, a bronze pull will create a cohesive look. If you use a silver zipper tape, a silver pull will blend in or stand out depending on the design. There's no wrong choice—just consider the overall style you want.

• Metal pulls: premium look, durable, heavier.
• Nylon pulls: lightweight, quiet, available in many colors.

Zipper Pull Bundles: A Smart Buy

If you make many bags, buying zipper pulls in bundles can save you time and money. Bundles often include a variety of sizes and finishes, so you're prepared for different projects. They're also handy if you like to experiment with color combinations.

When choosing a bundle, check the sizes included. A bundle with both #3 and #5 pulls gives you flexibility. If you already know your preferred size, a bundle of just that size keeps your stash organized. Consider the finishes too—mixing metals can be a fun design choice.

• Bundles are cost-effective for frequent makers.
• Check bundle contents to ensure you get the sizes you need.

How to Install Zipper Pulls Correctly

Installing a zipper pull is straightforward, but a few tips ensure success. First, make sure the zipper tape is cut cleanly and the teeth are aligned. Then, slide the pull onto the tape from the top end. You may need to wiggle it gently. If it's too tight, don't force it—check that you have the right size.

For metal pulls, you can sometimes squeeze the sides slightly to tighten them if they feel loose. But be careful not to damage the finish. Always test the pull before sewing the zipper into your project. A smooth-sliding pull makes a big difference in the final feel of your bag.

• Slide the pull on from the top of the zipper tape.
• Test the pull before installing the zipper in your project.

Decision rules for choosing zipper pulls

• Match the size number: Always choose a pull with the same size number as your zipper tape. A #3 pull fits #3 tape; a #5 pull fits #5 tape. If you're unsure, test the pull on a scrap piece of tape before installing.
• Consider the project weight: For lightweight projects like coin purses, #3 pulls are sufficient. For handbags, backpacks, and daily-use items, choose #5 pulls for durability and easier grip. When in doubt, size up for a smoother, more reliable zipper.
• Choose the finish to match or contrast: Select a pull finish that either matches your zipper teeth (for a cohesive look) or contrasts (for a design feature). Bronze, silver, and rose gold are popular options. Keep a few finishes on hand to experiment with your design.
• Buy bundles for value and variety: If you make many bags, bundles offer cost savings and a range of sizes and finishes. Check the contents to ensure they include the sizes you use most. A bundle with both #3 and #5 pulls is a versatile addition to your stash.

Product facts to guide your choice

• Blueberry Hill - #5 Bronze Nylon Coil Zipper Tape: Size #5 zipper tape is ideal for handbags, pouches, and backpacks, and the teeth look like metal but are nylon, so you can sew right over them without breaking needles. This tape pairs perfectly with #5 zipper pulls. The nylon teeth give you the look of metal with the ease of sewing through nylon, making it a great choice for bag makers who want durability and style.
• Peach Stripes - #5 Rose Gold Nylon Coil Zipper Tape: Each roll has 3 yards of zipper tape, and the tape is bold, fun, and totally unique. The nylon teeth look like metal but can be sewn over without breaking needles. With 3 yards per roll, you have plenty of tape for multiple projects. Pair it with #5 rose gold pulls to create a coordinated, eye-catching bag.
• Double Pink Pop - #5 Silver Nylon Coil Zipper Tape: This zipper tape is bold, fun, and totally unique, with nylon teeth that look like metal. Each roll has 3 yards. The silver finish pairs well with silver metal pulls or can contrast with other finishes. The 3-yard length gives you flexibility for larger bags or multiple small projects.

Is this right for your project?

Best for

• Bag makers who want a smooth, durable zipper finish
• Projects using #3 or #5 nylon coil zipper tape
• Anyone looking to coordinate zipper pulls with tape color and finish

Not for

• Projects with metal zipper tape (these pulls are designed for nylon coil)
• Those who need a specific custom pull not available in standard sizes
• Very heavy-duty applications requiring industrial zippers

Choosing the right zipper pull comes down to size, material, and finish. Match the size number to your tape, pick a material that suits your project's weight and style, and consider bundles for value. With these decision rules, you'll get a smooth-sliding, great-looking zipper every time.