greensticker
nounUK /ˈɡriːnˌstɪkə/
US /ˈɡriːnˌstɪkər/
A green sticker is a small green piece of paper you can stick on things.
She put a greensticker on her drawing to show it was finished.
OTHER MEANINGS
2. A green sticker used on a vehicle to show it meets certain environmental standards.
Only cars with a greensticker can enter the clean-air zone.
3. A green sticker given as a reward or mark of approval.
The teacher handed out a greensticker to every student who helped clean up.
4. A green sticker placed on products to indicate they are eco-friendly.
Look for the greensticker on the package to choose the greener option.