Features: 1. The 3D PLA pencil prints without odor smoke non-toxic and respectful with the environment. It is the safest option for children s crafts and adult arts. A great gift for your children and art Lover to have fun with crafts and drawing. 2. PLA is a new type of biodegradable materials respectful with the environment manufactured in material Plant resources (renewable as the corn starch) proposed which is always round without oily residues or breaks It can produce bright lines and colors without bubbles. 3. It comes with 20 Various Colors each color is bright and wide applicable to give you more options when creating your artistic masterpiece. Each color comes with its own package 20 colors in a large package safe for transport to keep PLA dry fresh and intact. 4. The size of each 3D printer filament refill is approx. 10 feet/ 3 m the diameter of the PLA filament is 1.75 mm which is suitable for most 1.75 mm 3D pens and printers (size accuracy: +/- 0.03 mm); Please confirm whether your printing pen is suitable for the size of this product before buying to avoid problems caused by size error. 5. It can be used for most printing 3D pens where excellent application requirements and details are needed High Accuracy for keeps your 3D Printing Very Smoothly and Easily. Due to the color classification makes the 3D printing pens more useful in crafts the product of your own choice. Specifications: Material: PLA Diameter: 1.75mm Diameter Tolerance:+/-0.02mm PLA extrusion temperature: 320°F-392°F (160°C-200°C) Colors: Cyan Bright-blue Fuchsia Purple Green Pink Red Yellow Orchid Orange Gold Brown Dark Blue Grey Fluo Green Fluo Yellow Transparent Silver White Black Length: 10ft / 3m each color Quantity: 20Pcs/Set Total: 60m (197ft) Package Including: 20Pcs/Set 3D Printer Filament Note: 1. The size of the manual measurement may have some error it is within the range of ±2 cm the actual size shall be subject to the actual object. 2. Due to different lighting and shooting conditions the color of the image may differ from the actual product. Please refer to the actual product.