Caremail® CareMail Biodegradable Peanuts, 3 Cubic Feet Proprietary shape provides stronger cushioning, reduced migration and increased stability. Static-free peanuts mean less mess. Made from corn and potato starch-99% renewable resources. Dissolves in water-won`t pollute ground water. Global Product Type: Packaging Materials-Peanuts; Material(s): Corn/Potato Starch; Length: N/A; Width: N/A.