The 6 Colors LED Light-Up Tumbler Handle for Stanley 30oz/40oz is a stylish and unique accessory that adds personality to your drinkware. Made of plastic and powered by a lithium polymer battery, this multicolor handle features lights that illuminate and change colors, creating a fun and colorful experience for decorative or entertainment purposes. The handle is designed to fit Stanley 30oz and 40oz tumblers, making it easy to add a pop of color and style to your drink while on-the-go. With a rainbow theme and special features like light up and color changing, this LED handle is a must-have for those looking to personalize their tumbler. See photos for additional information.