dear1KG/ Spool 1.75mm Flexible TPU Filament Printing Material Supplies White Black Transparent for 3D Printer Drawing Pens Features: 1kg/ spool (approx. 2.2lbs) Flexible TPU filament for 3d printers. Filament Diameter: 1.75mm (Dimensional Accuracy +/- 0.02mm) Recommended Printing Temperature: 195°C - 245°C (383°F - 473°F) Spool Diameter: 7.8 ; Spool Width: 2.6 ; Spool Hub Hole Diameter: 2.20 . (approx.) Vacuumed seal. Specifications: Quantity: 1 Spool Color: White Black Transparent (Optional) Material: Flexible TPU Diameter: 1.75mm Item Weight: 1228g/ 2.7lb. Note: TPU filament is not suitable for all of 3d printers for example: delta models and remote feeding 3D printers. Please consult before purchasing. Package List: 1 Spool * Filament (1kg)