FLO-PAK loosefill is made of 100% recycled polystyrene. Its lightweight figure-eight shapes flow for perfect protection and quick packing. FLO-PAK loosefill is cost effective, doesn't chip or break so shipped items arrive safely. All FLO-PAK loosefill is given an anti-static bath so it does not cling to clothes or products. Electronic- grade FLO-PAK loosefill has additional anti-static treatment to ensure ESD protection for sensitive products