Uxcell 3D Printer Filament 1.75mm TPU Filaments Dimensional Accuracy +/- 0.05mm 1.75mm diameter(+ / - 0.05mm) 3D printer filaments designed to fit the most common 3D printers ensure that your printed matter is smooth and stable with good bed adhesion. Made of flexible polyurethane(TPU) filaments can be formed easily the colors are vivid and the printing process has no peculiar smell. Flexible Filament: It is recommended to use the FDM model of short-range extrusion. Do not print a model that is too high it will cause the top to be shaking easily and the printing will fail. Recommended nozzle/extrusion temp: 210-230°C (410- 446℉) heated bed temp: 25 - 60°C (77- 140℉) Tips: To avoid entanglement the filament should be fixed in the slide valve hole after each use then seal it with a plastic bag and store in a cool and dry place to avoid moisture and affect print quality.