Difficulty ★☆☆☆☆
제품구성사이즈무게재질
대략 A4사이즈의 용지에 검정 스티커 한장약20cm*29cm약17.3g스티커
포장상태OPP비닐포장총무게약17.3g
제품연출
If you take part in a message of love, a message of gratitude, a secret letter, or an event big or small, your emotions will multiply.
If you put a fire on the black part with a lighter or warm it with your hand, the part that touched the fire becomes transparent and the message appears!
It can also be used as a secret document like the expression in a photo. It is a cover sheet paper that can be used endlessly according to the user's idea.
Also, as an educational material, it teaches that hotness and coldness are distinguished by the unit called temperature.
Seniors will discuss what kind of sticker can be applied to everyday life through a mysterious sticker that responds to temperature.
You can educate yourself on the fact that these unusual substances, such as the degree of hotness of a cool beverage can or mug, can be useful in life.
Product Features Changes when the temperature that touches the paper is over 30 degrees Celsius.
제품 구매시 참고할 점
It is the price of one piece. In winter, the temperature is cold and may not change easily.
There may be a time difference in color change depending on various factors such as hand heat, ambient temperature, card storage environment, etc.
In this case, it is better to put the card in your pocket or store it in a warm place before using it.
It is most suitable for use at room temperature (direction location temperature) 22~28 degrees.
When directing at a temperature of 30 degrees or higher, the contents may already be visible, so it is not recommended to direct it at a temperature of 30 degrees or higher.
Store the product at room temperature (Do not store at high temperature!!)
The paper may melt if the lighter or candle is touched for a long time.