GROOMSMAN'S / Bridesmaid This slick, stainless-steel and glass flask has a polished-chrome finish and holds up to 5 ounces of liquid. The clever glass window is designed to easily keep track of liquid inside the flask. Engrave initials or a name up to five characters on the front of the flask, and up to three lines on the back for free. The item measures 3 inches by 4 1/8 inches by 7/8 inch. We will contact you shortly after your order is placed for your engraving instructions.