Raise awareness about ECO Footprints by asking this popular phrase: How Big is Yours? Your ECO Footprint measures your impact on the environment. You can reduce your ECO Footprint by Recycling, Water Conservation, Wind Power, using CFL light bulbs, and much more. This representing pin is die struck from jewelers metal, is silver plated, and has enamel color-fills. Each pin includes a standard clutch back and is individually poly bagged.