These clear lowball glasses are the perfect gift. The glasses are 3.5" tall with a 3" opening, holding up to 10 ounces each. Add Submarine Warfare Insignia Dolphins, Command at Sea emblem, Chief Petty Officer insignia, Command Crest, or Submarine Boat seal to the glasses for a personalized gift. The insignia, emblem, crest, or seal will be laser engraved on to the decanter & glasses. Great for reenlistment, retirement, change of command, promotion, advancement, hail, and farewell gifts. OFFICIAL US NAVY PRODUCT.