Made from kitchen-grade, rust-resistant stainless steel ... flip lid, as we found it difficult to take a sip without splashing coffee especially while commuting. RTIC Outdoors Travel Mug ($17 ...

Made by Zojirushi, who also makes every sushi’s chef’s favorite rice maker, this stainless steel mug ... sip. Plus they just look cool and you get a satisfying pop every time you open the lid.” ...

Every single one of the pros I talked to for this story said that not only are ceramic, glass, and stainless-steel ... sip some, throw it in my bag, and save the rest for later. Most of the travel ...