Our resin bags are made from the same high quality duck cloth that is Regulation size and weight. They are 6″ x 6″ and filled with 15.0 – 16 ounces of synthetic Polypropylene fill which is an Earth-Friendly recycled resin. True all weather bags stand up in all elements and can be machined washed and dryed on DELICATE cycle. Might be the last bag you ever own.