First of all: impeccable packaging. The mug and all its parts included were packaged in the box so well that it doesn’t push and shove during transit so it was safe. I got this mug for my parents because they love drinking coffee throughout the day. Unfortunately their love of coffee has them forgetting that they heat it up and so constantly the keep reheating their coffee that they forget to drink/leave around. With
 This, they’re able to drink warm coffee always and without hassle. Plug it in and set the temp and you’re good to go!