Set of 2 cool fireworks champagne glasses Enjoy the seasons with a glass that changes color with temperature

The "Cooling Series" combines tradition and the latest technology in temperature design Cool fireworks representing the four seasons of Japan. When you pour a cold drink into this magical glass, colorful fireworks will explode! Fireworks add excitement to events and parades not only in Japan but all over the world. This is a memorable design based on the theme of the rays of hope that light up the night sky. https://youtu.be/1sTUfI4Lb0Y When you pour a cold drink into this mysterious glass, the cherry blossoms will brighten up the drink! Changes occur when the glass drops below 17°C. And when it returns to room temperature, it returns to normal. Set of two champagne glasses. Gift box with 2 champagne glasses Material: Glass Size: φ55mm×H195mm Capacity: 165c Before Use *If you cool the patterned part once, the color will become more vivid the next time you use it. *If you rub it too hard, the transfer may come off. *Do not clean with materials such as metal scrubbers or abrasives. *Please do not use in microwaves, ovens, etc. *The dyes in the pattern are sensitive to ultraviolet rays, so please do not expose the product to direct sunlight for long periods of time. *Since this is a manual process, the position and shape of the transfer may vary. *Color may vary from one item to another.