The name "Filament FLEX" tells us that the material of these printing strings is flexible. They are made of thermoplastic elastomers, soft rubber materials and other additives. The advantage of these additives is that they make the printed products very resistant to high loads. Beware, however, of the degrees of hardness that can vary from one filament to another. Filament FLEX is suitable for 3D printing objects that might be subject to impact, such as mobile device covers, car tyres for handling or even various decorations.