Perfect beach essential to keep all of your belongings zipped up and dry Expandable full zipper top to maximize space in-flight and on the go Carry-on approved Interior zip pocket to keep your wallet, phone, and other travel essentials close at hand for easy organization Outside zipper pocket to stash your ID and plane ticket Made out of a special technical material to keep your stuff protected against splashes, spills, and weather while you go from point A to point B Measures 19" across the top x 14.5" tall, expands to 17.5" tall with a 6" gusset