Outdoor zipper repair kit (REI or other outdoor/sewing shops)http://www.rei.com/product/609823?cm_mmc...CFQsiIgodvHdqCw
Miles from anywhere, you can still repair zippers on tents, backpacks, sleeping bags, parkas, ski pants and more with this handy kit.
* Repair zippers in the field, or at home, quickly and easily by replacing the slider instead of the whole zipper
* Includes 4 single-pull sliders and 4 double-pull sliders in a variety of sizes to fit nylon coil and plastic tooth zippers, plus top and bottom stops
* Comes with complete, easy-to-follow instructions
Made in USA.