FixnZip Instant Zipper Replacement, Nickel, L

HOW TO CHOOSE SIZE: (See Video) Start by checking the back of your broken zipper slider; most zippers have a size number (1-10) embossed on the back of the slider. Once you know your zipper size, our sizing chart below will determine which FixnZip is right for you. If your zipper doesn?t have a number on the back, you can simply measure the width of the zipper teeth in millimeters or inches. SIZE GUIDE: Small Zipper Slider: Teeth and Coil Sizes 1-4, Medium Zipper Slider: Teeth and Coil Sizes 5-7, Large Zipper Slider: Teeth and Coil Sizes 8-10. Don't know your zipper size number? Measure Teeth / Coil Width: 1 to 4. 5 mm or 0. 04 to 0. 18 in = Small, 5 to 7. 5 mm or 0. 19 to 0. 30 in = Medium, 8 to 10 mm or 0. 31 to 0. 40 in = Large LARGE WORKS ON Zipper Sizes 8-10, Examples wetsuits, boat covers, canvas tents, heavy duty clothing, jeep windows International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.