hydro flask stainless steel coffee travel mug - 16 oz, sunflower hydro flask a new simple modern design for the new decade. hydro flask's redesigned wide mouth water bottles and wide mouth travel mugs feature sleek stainless steel collars, to match the look of the standard mouth necks. this hydro flask stainless steel insulated travel mug has a new and improved matte powder coating, so don't be afraid to send it through the dishwasher. this line comes in 3 different sizes: 12 oz coffee cup, 16 oz coffee cup, and 20 oz coffee cup. this stainless steel coffee mug features tempshield double-wall vacuum insulation that will keep your coffee and green tea steaming hot for up to 6 hours or your cold beverage icy cold for up to hydroflask coffee travel mug4 hours. the hydroflask coffee travel mug comes with hydro flask's new flex sip lid, which features your favorite flex strap with a leak-proof lid. this travel bottle can be used as a stainless steel tumbler, large coffee mug, or a simple insulated mug. whether you use it as an insulated water bottle, thermos water bottle, insulated coffee mug, or a seasonal fall mug, this coffee mug with lid will keep your drink ready for sipping. the insulated tumbler's durable 18/8 stainless steel water bottle interior is non-porous; so less residual bacteria buildup and no hints of yesterday's flavored latte. ditch the plastic tumbler cups or paper reusable coffee cups with lids for this travel coffee mug spill proof reusable design. this hydro flask travel coffee cup is backed by a manufacturer's lifetime warranty.