Universal Key Ring Attachment - Fits All Zippers Hi-Vis Fluorescent Yellow Webbing Over Heavy-Duty Ballistic Nylon Pull Tab Silver Striping Is Completely Reflective Pack includes 10 hi-vis and reflective zipper pulls and universal key ring attachment. Just thread the key ring through the zipper slider hook and instantly have a bigger and more visible zipper puller on virtually any bag. The base puller is ballistic nylon webbing with fluorescent yellow webbing sewn on top, and a reflective stripe printed along the middle of both sides. While this is a great addition to an EMT trauma bag, tactical backpack or safety gear - it's design allows it to be added to virtually any zipper. Also makes a great replacement option for broken zipper pulls on a bag that might otherwise be considered useless.