Where can I get more till roll for the BNA Digital Dining POS?

The POS fits a standard thermal till roll 57 x 40

You can purchase these on Amazon or any stationary store:

 https://www.amazon.co.uk/dp/B08LQM4LSV/ref=cm_sw_em_r_mt_dp_3K1B8BRWA7HRTJY2R53K?_encoding=UTF8&psc=1