TINMORRY Rapid PETG 3D Printer Filament Colour Bundle 4KG – Prime Exclusive – Sold by TINMORRY-UK / FBA

I usually buy the cold white 1KG spool and its about £10-£12, but I just saw they have 4 spools of white, black, red and blue for a total of 4KG for £24.99, making one spool £6.25.
Even if you need just 2 colours, and throw away the rest its still a huge saving.
Prints quite nicely and its durable from my experience.
It may be just an Exclusive Prime price, though.