However, we found a design flaw with the locking flip lid, as we found it difficult to take a sip without splashing coffee especially while commuting. RTIC Outdoors Travel Mug ($17 at RTIC ...
Klean Kanteen TKWide 20 Oz Best Budget Insulated Coffee Mug: RTIC Road-Trip Travel Mug Best Lid Design: Owala SmoothSip Slider Best Insulated Coffee Mug for Paddling: BOTE MAGNETumbler Most ...