Feature 1This filament is applicable to Low Temperature 3D pen only, with its optimum printing temperature ranging from 80 to 100 2Its diameter is 1.75mm with tolerance of +/-0.02mm; compatible with most 1.75 mm 3D pens and printers 3It is made from food grade PCL, a biodegradable material, which is green and environmentally friendly 4It is reusable: in 50 boiled water, it can be changed into a substance like plasticine, thus can be reshaped 5There are 20 different colors, which makes this product a great material for low temperature 3D pen to create colorful projects 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: 100% Brand New Item Type: Filament For Low Temperature 3D Pen Material: PCL Optimum Printing Temperature: 80-100 Pen Point Temperature: 25 Diameter: Approx. 1.75mm / 0.069inch Diameter Tolerance:+/-0.02mm Color: 20 Colors (as shown in the picture) Quantity: 20pcs/set Length Per Piece: Approx. 5m / 16.4ft Package Weight: 367g Package Included: 1 x Set of 20Pcs Filaments For Low Temperature 3D Pen Note: Before placing an order, please notice that the item color displayed in the pictures may 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.