30 Colors for Choice : 30 colors 1.75mm PLA filament includes 24 popular colors, 2 transparent colors and 4 fluorescent colors, offering more options in artistic creation. Each color is 10 feet long, 300 feet in total.Premium Safe Raw Materials: The raw materials are 100 pure environmentally friendly PLA (polylactic acid) without impurity, safe, non-toxic, no bubbles, no clogging and smooth printing.Recommended Printing Temperature: 356F to 410F (180~210). Diameter of 3d pen refills: 1.75mm, and the diameter tolerance is +/-0.02mm, which is more accurate than other 3d pen filament refills.Wide Compatibility: Compatible with MYNT3D, SCRIB3D 3D Pens and 3D printers with 1.75mm nozzles in the market. Noted: Our filament PLA is Not suitable for 3D dooler Pen and other 3d pens with 3mm nozzles.Best Gift Choice for Kids: As the excellent quality, our 3d pen filament refills pla is a perfect gift on childrens day, Easter, Christmas and birthday. Give it to your lovely children to keep their mind and imagination active, and accompany them to make artistic creation, which not only can cultivate their hands-on ability, but also help to promote the parent-child relationship.

Note:Shipping time is 5-12 days