Handwritten Warmth Card - Thermochromic Christmas Card (Design D: Christmas Bobo)

https://i.imgur.com/OsQz1l4.jpg As the weather turns cooler, your Christmas cards deserve to be warm too! Reveal the sender's message with the warmth of your hands. Undeniably the most heartwarming Christmas card of the season! Each Christmas card comes with a color-changing sticker and an envelope. Crafted from thick, tactile cardstock with elegant gold foil designs. Write your message and then conceal it with the included thermochromic sticker. Finally, reveal the hidden message using the warmth of your hands! The reveal effect can be used repeatedly. Choose from four designs: A) Christmas Tree B) Christmas Deer C) Christmas Stick D) Christmas Bobo Instructions: Write your message using a fine red pen, then cover it with the provided color-changing sticker. Note: The sticker's color-changing temperature is around 32°C. Extreme ambient temperatures (too high or too low) may affect the color-changing effect. (If the outdoor temperature is too low, you can use a hand warmer or a match to reveal the hidden message.) Note: Pens of different thicknesses or colors may affect the sticker's concealing effect. Please be mindful.