One person backed the Kickstarter for a dollar, only so that they could leave a comment for Scorched Steel Industry saying "$85 (with shipping) for a plastic mug is too expensive for many of us." ...

It also has a plastic lid, and I find the mug fits in most car cup holders." According to Zyman, the mug is also easy to clean. The steel shell is quickly hand-washable, and she throws the glass ...