Salpplea Filament Refills，1 75Mm High Precision Diameter Review

【SAFER & HEALTHIER MATERIAL】Compared to 3D pen filament refills PCL 1.75mm, PCL filament with a lower melting temperature of 70°C which eliminate the risk of burning hands. Besides, PCL filament refills are 100% derived from renewable plant resources, will not create pungent odor when infused into 3D pen, non-toxic, No odor, non-irritating and biodegradable. 【20 COLORS 320 FEET TOTAL】3D pen filament refill pack of 20 various colors scribble your 3D artistic masterpiece idea and make your masterpiece glow in the dark. A great 3d pen for kids and art lover to DIY what they want, and bring up kids to have fun with crafting and drawing. 【ULTRA-SMOOTH】PCL filament for 3d pen with Low temp releasing technology and high-precision PCL filament 1.75mm diameter ensure your 3D drawing very smoothly without oily residues or bubbles, no clogging. 【UNIVERSAL COMPATIBILITY】Compatible with most 3D Pens/3D Printers on market, Not suitable for 3Doodler pen. 【ENJOY THE FUN of CREATION】This 3D printing pen filament refills are excellent gifts for kids to improve their spatial thinking, cultivate creation, imagination and artistic skills. Also, a great way for parents and children to spend happy time together, strengthening the bond.