Esun 3mm PVA filament (Polyvinyl Alcohol) Water Soluble, 0.5kg/1.1lb Spool, for Makerbot, Reprap (Mendel, Huxley, Prusa), UP, Cubify, Leapfrog, Solidoodle, Ultimaker, Afinia, Flash Forge and all FDM 3D Printers. Support material for PLA