Sainsbury's has previously sold skirts, trousers and shirts made from recycled plastic bags under its Tu brand, while M&S and BHS started stocking school uniforms made from recycled polyester in 2007.

After negotiating a security guard snoozing on a plastic chair, you climb some grotty stairs past a placard begging, "Choose RBS business banking for your leather business."

The cube covers and card tray are a thin hard plastic similar to the plastic that box inserts are made of, so you might have to worry about splitting eventually.