Printing PerfomanceSmooth finish and reliable printing. Best layer adhesion and bed adhesion gives you worry-free printing experience. Mechanical PropertiesDuramic 3D PLA filament 1.75mm has the advantage of high rigidity with better Tensil Strength(X-Y). It's a perfect product for your day-to day creation on gadgets, toys, cosplays, toys, training tools or prototypes, etc. Jam-free PatentDuramic 3D PLA filament features unique patented Jam-free technology and 100% vacuumed package in resealable with desiccant, which makes no room for clogging and bubbling. Less TanglingWe strive to reduce and avoid possible tangling issue by fully automatic winding, rigid quality control and storage hole on the spool, which is designed to place the end of the filament to prevent tangling after using due to loose or bouncing spool. Accurate &Consistent DiameterDiameter: 1.75mm, tolerance 100% ±0.05mm, 99.9% ±0.04mm, 99% ±0.03mm and 97% ±0.02mm. User friendlyThe length sca