For Sale: 

Reusable empty spools. Compatible with Bambu Lab / Elegoo / Snapmaker / Creality

Bambu Lab spools are genuine spools manufactured from Bambu Lab. They were removed from pre-used filament spools. 

Bambu Lab (Generic) spools are made from the same casting machines but are a different color and without branding. 

Sunlu spools are the same size and also reusable on all multi-material setups. 

Ships free in the US.