Features:This filament is applicable to Low Temperature 3D pen only, with its optimum printing temperature ranging from 80 to 100.Its diameter is 1.75mm with tolerance of +/-0.02mm; compatible with most 1.75 mm 3D pens and printers. It is made from food grade PCL, a biodegradable material, which is green and environmentally friendly.It is reusable: in 50 boiled water, it can be changed into a substance like plasticine, thus can be reshaped.There are 20 different colors, which makes this product a great material for low temperature 3D pen to create colorful projects.Specification: Condition: Brand NewItem Type: Filament For Low Temperature 3D Pen Material: PCLOptimum Printing Temperature: 80-100Pen Point Temperature: 25Diameter: Approx. 1.75mm / 0.069inchDiameter Tolerance:+/-0.02mmColor: 20 Colors (as shown in the picture)Quantity: 20pcs/setLength Per Piece: Approx. 5m / 16.4ftPackage Weight: 367gPackage Included: 1 x Set of 20Pcs Filaments For Low Temperature 3D PenNote: Before placing an order, please notice that the item color displayed in the picturesmay be slightly different from the real object, due to different monitors or other factors. And please allow 1-3cm error due to manual measurement. Thanks for your understanding. .