Rawhide 'Drink and Know' Initials Flask. Refresh his drinkware with this playful, personalized flask that's great for parties, camp-outs and more. Full graphic text: That's what I do. I drink and I know things. / (Personalized initials)3.5'' W x 4.5'' H x 0.75'' DStain- and water-resistantLeatheretteHand washShipping note: This item will be personalized just for you. Allow extra time for your special find to ship.