How to Label a Ziploc Bag (Chemistry That Works)

Why do labels refuse to stick to your vacuum-sealed bags? It’s not bad luck — it’s surface energy. This episode breaks down the physics of polyethylene, the best surface prep techniques (from isopropyl alcohol wipes to the packing tape trick), and which label materials and markers will survive long-term storage. A practical toolkit for anyone tired of mystery bags in the closet.