Dynamism PVA is a dissolvable support material for dual-extrusion 3D printers. Print water-soluble support structures with great adhesion to PLA, Nylon, TPU, and PVB print materials, while it can also be used in combination with PETG print materials (geometry dependent).Key Features:Natural PVA Filament2.85mm Diameter, Filament Weight 750gHighly recommended for PLA, Tough PLA, Nylon, TPU, and PVB, can also be used with PETGShould be stored in a sealed container with dessicant to avoid degradation from moisture absorptionRecycled cardboard packaging and spool