Amazon.com: SUNLU PETG 3D Printer Filament Bundle, Neatly Wound Filament 1.75mm, 2kg in Total, 0.25kg per Spool, Individually Vacuum Packed, 8 Colors, Black+Clear(Yellow+Blue+Green+Purple Blue+Red+Orange+White) : Industrial & Scientific
De 3D Printman / Bart Tangermann on Twitter: "1/2 I needed a spool holder for the massive 8kg @ColorFabb PETG Economy spool so I took ColorFabb's 4.5kg Filament Duck model from @thingiverse
3 mm (1/8") PLA FILAMENT - BLACK - 1 kg / 2.2 lb PLA3B1 - All Spectrum Electronics
HATCHBOX 3D TPU-1KG1.75-WHT TPU 3D Printer Filament, Dimensional Accuracy +/- 0.05 mm, 1 kg Spool, 1.75 mm, Shore 95A, White - Walmart.com
Heavy Large Spool Holder Adapter for 8 kg 8.5 kg Filament