FILAMENT SPECS: SIZE: 1 kg (approximately 2.20 lbs) Spool, 1.75 mm Filament Diameter (Dimensional Accuracy +/- 0.03 mm), TEMPERATURE: Recommended Extrusion/Nozzle Temp 230°C - 260°C (446°F - 500°F) FLEXIBLE & IMPACT RESISTANT: This innovative material has been gaining popularity since its launch! PETG combines the printability of PLA with the strength of ABS! Odorless, lightweight, heat tolerant, flexible, and highly impact resistant, its available in a variety of colors and even a transparent form. Easily print shatterproof designs and prototypes. BEGINNER & EXPERT FRIENDLY: Hatchbox 3D Filaments are made with quality and consistency in mind, making it easy for novice users to get started with basic settings. Seasoned printers can push their designs to the limit without worrying about purity, tolerance or printing issues. DURABLE & EASY TO USE: Strong, durable and tangle-free, Hatchbox PETG 3d printer filament offers minimal warping and bonds easily to the heat bed. Enjoy effo