Illuminate your festivities with our 16 oz LED Green String Light Double Wall Cup! This clear plastic cup boasts vibrant green LEDs nestled between its double walls, offering a choice of light modes for added ambiance. Complete with a lid and straw for convenience, it's perfect for serving signature drinks at St. Patrick's Day, Mardi Gras, sporting events, graduations, and other themed parties. Each cup includes 3 AG13 batteries, which are included, installed, and replaceable. Sold individually, please order by the cup. Reusable and hand washable for your convenience. Note: Scratches and hairline cracks in LED acrylic cups are normal and not considered defective.