This document discusses sustainable materials used for conference supplies such as bags, badges, and lanyards. It notes that conference organizers, sponsors, and participants use these supplies, but they often end up as garbage. The document advocates questioning what is truly necessary and considering more sustainable alternatives like cotton, paper, and recycled materials. It also suggests giving items second lives through recycling and reuse. The goal is to reinvent how these supplies are used and defined to reduce waste and carbon footprints.