123-3D House Brand Filament PLA Lightweight 1.75mm uses innovative active foaming technology, which is activated by temperature. The filament offers not only low weight but also precision and durability. 
Key Features:-  Up to 50% reduced weight
-  Active foaming technology
-  Adjustable material density
-  Less visible layers due to the matte finish
Uses: Ideal for making lightweight projects such as RC model airplanes.