More Precise&High Pureness filament comes with 100% new craft high quality material,for lower the risk of stuck &slip during pringthing. Professional label & Silica Gel professional label provides all key info. PLA is made out of oil-based resources and it has a much higher melting point than PLAplastic.lt's also stronger and harder. lt is an economical plastic notablefor its low degree of shrinkage and warping.Because these particular features,ABSis widely used for purposes rangingfrom car bumpers and motorcycle helmets to musical instruments,golf clubs and branded building blocks Keep it away from moisture & humidity. Using dry box with silica gel pack. Vacuum bags will be recommended for long term storage. Tips 1.Always work in a well ventilated room 2.If you want to make larger pieces than your printer actual printing size, you could print parts and stick them together with Acetone. 3.Use tape on the printer heatbed for better adhesion 4.The higher heatbed temperature,the better adhesion it is. The distance of nozzle and heatbed more closer,the better quality it is. Colour:Black/White/Grey Material:PLA Package Contents:1 roll X Printing Filament for 3D Printer Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.