Feeling adventurous?Your favorite beverage plus our Red Light Up Party LED Glow Cup Drinkware is a winning combination. Just add rum!Make your party as impressive as it should be! Nothing impresses people more than awesome drinks. Add glow to your nightly party and enjoy the rest of the evening with our Red LED glow cup. This is totally safe and fun to use - this is a crowd pleaser!To activate your Red Light Up Party LED Glow Cup Drinkware, remove pull tab and press button on the bottom to choose 1 to 3 light functions: Flash, Blink, Steady Light.Dimensions (W x H): 3" x 5.87"Volume: 1.6 ounce filled to brimBatteries supplies include 3 replaceable AG13.