Energy Star mark on a product, e.g

• “Green” product sticker
• Sticker on green products
• "Non-G.M.O." or "Dolphin-safe"
• Sticker on organic produce
• "Dolphin-safe," for one
• Company brought in the French package, backing green marketing
• 'Green' product sticker

Wiktionary Word definitions in Wiktionary
n. A label on a product that states that it has been produced in an environmentally friendly manner.

Wikipedia Word definitions in Wikipedia
Eco-labels and Green Stickers are labeling systems for food and consumer products. Ecolabels are voluntary, but green stickers are mandated by law; for example, in North America major appliances and automobiles use Energy Star . They are a form of sustainability ...