There are literally 1,000 or more reasons to congratulate someone so we are building a congratulatory hip flask category that cannot be matched by other sellers. Need to congratulate a wedding, graduation, special achievement or anything else? We got you covered! Flasks.com carries thousands of hip flask in stock and ready to ship. Make each flask your very own with our free personalization and customization options. Save even more by taking advantage of our speedy free shipping and delivery. Say "congratulations" for any special occasion with our gift flasks. And if the celebration is for something specific like academia, be sure to get a college graduation flask.