Very convenient, especially for temperature sensitive baby. Only used for 6 months. https://www.amazon.ca/Baby-Brezza-Formula-Pro-Advanced/dp/B07MZW3JM9/ref=asc_df_B07MZW3JM9/?tag=googleshopc0c-20&linkCode=df0&hvadid=336112871510&hvpos=&hvnetw=g&hvrand=2316654792650687088&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=1001957&hvtargid=pla-680654263418&psc=1