Introducing GDR Zipper Pull that offers the ability to help find that tent zipper in the dark or see it with a flashlight given its reflective cordage. The GDR installs in one step by looping the pull back through its own loop (See Video). You can also use GDRs to mark guy lines on your tent to avoid tripping, add them to clothes lines to prevent collision in the dark or to anything else that gets misplaced and needs helper like backpack or coat zippers. They come four to a pack and are made in the USA right here in PA at our headquarters. As with all of our products they are warrantied for life so if you break it we replace it!