I cook rice everyday . the cooker itself look nice and it be great while the moisture seal be new and supple , but after a year or so this rubber seal tend to flatten . and then you will not be able to keep the rice warm too long before you have rice that be dry on top and soggy at the bottom . this be the 2nd zojirushus Microm i have own with the same problem and yes the teflon on the bowl wear off too . Wish it be stainless instead .