Limited Edition Personalized Bluegrass Whiskey Barrels (Large) The Original Bluegrass Barrels may be personalized with up to three block initials, three block initials and a block custom line (max of 12 characters), two block custom lines (max of 12 characters per line) or a single block initial at No Additional Cost. Please send your infotmation to be engraved in the gift message section during checkout.