|
产品中心
|
|
产品描述:
This product set comes with a colour changing card, cold sensitive stickers and heat sensitive stickers. They change to black colour when it is cool. The black colour disappears when it is warm.
- The black colour coating can hide words and picture on the card
- Sensitive coat changing colour
- Can be used on laptops
|
|
|
|
|
|
|
