Amazon.com: SainSmart Light Weight Filament 1.75mm, LW-PLA Low-Density Active Foaming 3D Printer Filament for RC Planes Drone Parts and Cosplay, White PLA Filament, 1KG : Industrial & Scientific
eSUN Super Lightweight PLA Filament,1.75mm 1KG Foaming Material for 3D Printers | eBay
Amazon.com: SainSmart Light Weight Filament 1.75mm, LW-PLA Low-Density Active Foaming 3D Printer Filament for RC Planes Drone Parts and Cosplay, White PLA Filament, 1KG : Industrial & Scientific