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 nice material, which is green and 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. 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. Specification: 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