WE HAVE FOR SALE A ``Vintage Original Hard To Find Metal Thermos Wire Holder-This Holder Fits Old Metal Square Lunchboxes That Have The Thermos Holder In The Back Of The Lunchbox Longways,Goes In Lunchbox In Back Near Ware The Hinge Is Like The Fireball XL5 Lunchbox And Many Others,YOUR QUESTIONS ARE WELCOME,THIS HOLDER COMES USED->SIZE IS IN THE PICTURES,#BF-ISS08720..WE WILL BE ADDING MORE BOXES,THERMOSES & WE SELL PARTS FOR BOTH IN OUR STORE..