Notions Pouch Dimensions:

Regular: 7.5" wide, 3.5" tall - a good size to fit a crochet hook or extra double point needles along with the usual ephemera that floats around your knitting bag

Large: 7.5" wide, 5.5" tall (2x the height of the regular notions) - a good size to fit everything you would put in a regular notions, but with more room for more stuff! Also good for a wallet, add a keyfob handle and you have a wristlet!