SUNLU PETG 3d printer filament 2Kg for $21 on Amazon $20.69

SUNLU has 1kg 2 pack of PETG 3d printer filament for $20.69 for black and white on Amazon. Other color variation are slightly higher, but mostly $22.49 for 2 pack. You must use 'subscribe and save' to get this price. This turns out to be about $10.35 for each 1kg spool.