Yes, I’ve heard of it. I’d define a sustainable product as something created with long-term impact in mind. For example, cups made from coffee grounds. It’s about reusing existing materials, minimizing waste, and designing products that actually last, not just look “eco” for marketing reasons.
Yes, I have heard of sustainable products. To me, a sustainable product is a type of consumable, that has a recycable and resuable package or either has an food/item/consumable that was grown ecologically, without harming nature, without polluting etc.