Staples Biodegradable Loose Fill - 14 cu ft.Staples Biodegradable Loose Fill helps safely and securely protect your most treasured or fragile belongings when packing for storage, shipment or a move. This static free fill is 100 percent biodegradable and made from corn, wheat or potato starch. Unlike traditional fill, these pieces are easily dissolvable and will not pollute ground water. When you're done with them, simply pack them away for future use or keep them for arts and crafts.