Math Whiz Lanyard Belt ID Badge Key Retractable Reel Holder Use this versatile retractable clip-on holder for keys or a badge; attach it to your belt loop, lanyard, or purse strap Quality metal and sturdy design will keep your important items safely tethered Retraction makes it convenient, while the resin-coated graphic in the middle makes it yours Holder is about 4.2 inches in total length while retracted, and extends for an additional 2 feet The graphic in the middle is about 3/4 inches in diameter