1.Environmental Friendly: PLA filament refills are extracted from biodegradable materials. In addition to being environmental friendly, PLA filaments also print at low temperatures, which greatly reduces warping.
2.Enjoy 20 AWESOME UNIQUE COLORS: 20 packs of 3D pen filament refills come in various colors to scribble your 3D artistic masterpiece idea. A great gift set for your kids and friends to have fun in crafting and drawing.
3.WIDE USAGE: The filament refills are universally designed and compatible with 3D Printers using 1.75mm diameter filament, with a dimensional accuracy of +/- 0.05mm.PLA can also be printed at higher throughput speeds.
4.100% VIRGIN HIGH QUALITY GRADE A MATERIAL : Made to the highest of standards and it's consistency of round diameter leads to optimum flow through the nozzle.
5.What's More :PLA can be sanded, glued, and painted with acrylic paints, so it remains the number #1 choice for designers, engineers, and architects who print more complex 3D structures where a smoother, shinier, more polished appearance is required.