Rough Natural Burlap Bags 13"x18". For that rugged natural look, here are burlap bags. With the double-knotted string at the very top, these bags have a strong burlap aroma as well as practical usage. Great for clothing, books, home and care products, or anything you would like to present with this bag. With a natural touch, these bags make your gift packages so much more unique. Size: 13”x18”. Due to the fact that this material is stretchy and bags are handmade, size may vary up to 1/4" larger or smaller than listed.