3D Colorful Pen Filament PCL Refills 1.75mm Printing Material Low Temperature 20 Colors

【Compatible with Most 3D Pens and Printers】The multiple colors filament refills diameter is 1.75mm with tolerance of +/-0.02mm; compatible with most 1.75 mm 3D pens and printers. 【Applicable to Low Temperature】This filament refills for 3D pen drawing is applicable to low temperature 3D pen only, with its optimum printing temperature ranging from 80℃ to 100℃. 【Green and Environmentally Friendly】Multiple colors filament refills are made from food grade PCL, a biodegradable material, which is green and environmentally friendly. 【Reusable】The printing pen can be reused and cyclically created. It has a special repair function and can be shaped repeatedly (oil-free plasticine in water at 50℃, free to shape). 【20 Different Colors】There are 20 different colors, which makes this product a great material for low temperature 3D pen to create colorful projects.