Our Canvas Coin Shipping Bags are available in two styles and several sizes offering banks, supermarkets, casinos, hotels and retail shops an economical alternative in transporting loose coins. Made of a sturdy 10 oz. canvas, with double-stitched seams, these bags are designed to carry heavy coin loads without splitting or breaking. The Duck Coin Shipping Bags can be secured with a plastic seal with color-coded I.D. tag or an economical canvas tie tape. . 100% Guarantee on our Canvas Coin Shipping Bags.