Stainless Steel Vacuum Insulated Thermo Flask

DOUBLE WALL VACUUM CONSTRUCTION: High quality double wall vacuum insulation makes the coffee mug excellent in heat preservation. Drinks stay hot up to 6 hours and cold up to 8 hours with no condensation on the outside of the insulated tumbler. SAFE MATERIALS: Food grade 18/8 stainless steel, BPA-free plastic and silicone allow for easy refilling, reusing, and reducing the need for single-use plastic or paper cups. ONE-HAND DRINKING: The flip open design allows you to open and close the lid with one hand and enjoy your favorite coffee on the go. The slide lock system prevents the lid from opening accidentally, spill and leak proof. EASY CLEANING: Detachable lid and wide mouth for easy cleaning.