The reverse of a question I asked on here a while ago.
I’ve been looking at these today. Which autoseal model do you have, some of the reviews on Amazon are bad.
https://www.mycontigo.com/products/thermal-mugs/west-loop-autoseal-travel-mug-470-ml/SAP_2095796.html Well, at least that is the model that looks like mine. The brand name changed from AutoSeal to Contigo in the last years, so it might be a bit different to mine, but function-wise it looks the same.