Contigo Byron 2.0 thermo mug, stainless steel insulated mug with Snapseal closure, coffee to go, 100% leak proof, dishwasher safe lid, BPA free, keeps warm up 6 hours, 470 ml

Amazon

Powered by SNAPSEAL Technology that provides on-the-go leak-proof confidence (in closed position) Simply push the lever up to drink, then push down to seal the lid One-handed operation offers optimal on-the-go experience THERMALOCK double-wall, vacuum- insulation keeps drinks hot up to 6 hours and up to 12 hours cold One-piece lid – no loose parts to misplace

Euroffice

Snapseal technology for on-the-go leak-proof confidence (in closed position). Push the lever up to drink, then push down to seal the lid. One-handed operation offers optimal on-the-go experience. Thermalock double-wall, vacuum insulation.