Used green material as a temporary backdrop although professional/prosumer pop-up green screen banner stands are commercially available ranging from between £50-£300. There’s also a good contrast between the pale blue (Vital) shirt which we’d assume you’d wear for any calls.
This shows how selecting the pale blue of the shirt can have some interesting results! For that reason, we’d advise purchasing green (rather than blue) background screens. The animate background could also work as a static if the movement is deemed distracting.