Really great quality 3D filament for your 3D printer. Has standard measurement of 1.75mm diameter which makes it compatible with all if not, most of the 3D printer available out there on the market that accepts 1,75mm filaments. It is a PLA filament so it is safe, non-toxic, and very safe to handle even for kids allowing them to have fun with it. It is also compatible with 3D pens if you don’t have the printer and comes in a huge, big, spool package of 1Kg, giving you countless amount of 3D printed stuffs.