Our Bulb Cup With Light Design's material is plastic, size is 3.7" W x 7.5" H. Support customized yours logo. Here's a bright idea for your next promotional campaign, a light bulb shaped drinking cup with light up LED action, a lid and a twisty straw. Made of PETE plastic, these 3.7" x 7.5" 20 ounce capacity cups have a realistic light bulb look with a screw-on lid, a twist straw and an LED light in the bottom. Choose from three light modes: slow fast, fast flash and steady on. Clear design with assorted color lids and twist straws. Add your school, sports team, organizational or company logo or message to customize.