Metallic Belt Bag. $80.00. Free Delivery. Show. About Women's Belt Bags & Fanny Packs. Get hip to the belt bag—'80s-era fanny packs are back in a big way, but newly updated for fresh, modern style. Say goodbye to your bulky purse; richly grained leather belt bags from Gucci, Fendi, Prada and more let you stash your essentials with designer flair.