Square up an enticing promotional giveaway for bars, restaurants and nightclubs with this square bottom LED rocks glass! This 10 oz. capacity item is a perfect way to illuminate your cocktails and features six LED lights (two red, two green and two blue) that blast brightly through the bottom prism. Three AG-13 batteries are included, installed and replaced. Hand wash only. To maximize brand exposure, customize each glass with an imprint of your company name, logo or other advertising message when you place your order today!