The filament PLA is a biodegradable plastic due to its natural origin (corn, sugarcane or potatoes). In addiction, it is one of the most easy to print materials in the 3D printing world.
Print easily a lot of models with higher printing speed than other materials. You will not have pieces with warping as this material does not have contractions, so you will be able to print with high resolution models with a good surface finish. Print your designs in many superb colours!