Seasonal Edition: These are limited edition reusable hot cups, specifically released for the Holiday 2021 season, offering a festive touch. Color Transformation: Each cup features a unique color-changing capability, activated when filled with a hot beverage, providing a distinct visual effect. Complete Set: The product includes a set of six reusable hot cups, each accompanied by its own hard plastic, reusable lid for convenience. Generous Capacity: Each individual hot cup is designed to hold 16 ounces of liquid, suitable for various hot drink preferences. Safe Materials: Constructed from BPA-free materials, these cups prioritize safety for beverage consumption. Care Instructions: For initial use, thorough washing is recommended, and the cups are designed to be top-rack dishwasher safe for easy cleaning.