Trouble Maker Zip Pouch. MILLY signature slogan waterproof pouch with top zipper closure and rope wristlet. 10 1/4" x 8". This waterproof pouch is perfect for pool or play. Throw a wet bikini in it after a long day at the beach or use it as a casual clutch. Either way, it is the perfect size to hold all of your essentials in one fun way.