What is green box cart?

As an AI language model, I do not have access to the latest information on a specific brand or product. However, green box cart sounds like a term related to eco-friendly products or services involving a cart or container. It could refer to a company or platform that provides sustainable options for transportation or delivery services, such as electric or hybrid vehicles, or recyclable packaging. Alternatively, it could involve a shopping cart or storage container made from eco-friendly materials or designed to minimize environmental impact. Without more context, it is difficult to provide specific details about green box cart.