Styrofoam (expanded polystyrene, or EPS) has protected shipped goods for decades because it’s cheap, light, and molds into almost any shape. Mycelium packaging — grown from mushroom root structure bound to agricultural waste like hemp hurd — is now a real commercial alternative, led by companies like Ecovative’s Mushroom Packaging division using MycoComposite technology. Brands from wine and spirits makers to electronics companies use it as a drop-in for molded foam inserts.
This guide compares the two on the three things that actually drive a packaging decision: what it costs, what happens to it after the box is opened, and how well it actually protects the product inside. The goal is to help you decide whether the switch makes sense for your product line right now, or later.
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Photo: daSupremo / CC BY-SA 4.0, via Wikimedia Commons.