Set of 5 Engraved Textured Stainless Steel Groomsmen Flask. Our engraved textured stainless steel flasks for groomsmen and your best man have that vintage look that takes us back to the Roaring '20s. Personalize each groomsmen's flask, which holds four ounces of whatever he's drinking, with up to 10 characters (product pictured with 3 initials). We carry cufflinks, shot glasses and more for your groomsmen and best man. We're the experts on wedding party gifts.