“Very happy with my new Flexi mug, especially as purchased on sale (thanks SHO). The drinking part of the lid is a bit more angular than the Pacto, however I've got used to this now and it's fine. It does a brilliant job of keeping my tea warm - I can nip out for the school run and it's still hot when I come back. Importantly tea tastes as normal, it doesn't have that 'flask tea' taste which is so common with flasks.
The only problem I had was that despite regular washing, it gradually developed internal staining on the inside from the tea. This didn't affect the performance but I was disappointed with the appearance. However SHO responded to my email really quickly to advise that an overnight soak with hot water and bicarb would help. The next morning I tipped that mixture out and washed it again with a brush and it came back as new :)
I've since bought others as gifts (including one for my husband so he'll stop borrowing mine!)”
“Love my mug. Keeps my tea warm for ages. The mug doesn’t get hot on the out side so no burning hands. And it’s a lovely size. Perfect size for a brew in the morning. Love it.”