Set of 5 Personalized Black Matte Stainless Steel Groomsmen Flask. For discreet sips of his favorite beverage, give him this attractive Personalized Black Matte Flask, made from sturdy stainless steel. Ideal for slipping in a suit or coat pocket, and features handsome laser-engraved personalization. Great for groomsmen gifts or any special occasion! Personalized with one line of up to 12 characters per line. Holds 6 ounces of liquid.