Travel Coffee Mug - Portable Vacuum Insulated, Double-walled

[ Multi-purpose:] Perfect for Office, Camping and Outdoors. Fit for most of car cup holder, bike rack and hiking backpack. ✿ For the long Haul - Drinks stay hot up to 7 hours and cold up to 18 with vacuum insulation ✿ Lend a hand easy one handed drinking with the push of a button; Squeaky clean easy clean lid completely opens for an extra squeaky clean with no separate parts to take apart or misplace ✿ Lock it up: Autoseal button lock for added peace of mind; Perfect fit: Fits most car cup holders and under most single serve brewers ✿ 304 stainless steel, safe and stable, good heat preservation effect, no peculiar smell in use, use it with confidence.