ONEISALL GYB0023 Leak-proof Glass lined Thermos Business Style Stainless Steel Travel Thermos Mug Vacuum Flask with Tea Strainer&Glass Liner, Heat Preservation Coffee Vacuum Cup, 320ML, Black [MODERATE SIZE]:8''2.67'',320ml/10.8oz. Delicate and graceful look, 3 colors are available:red,black,silver [SAFE MATERIAL]:Exterior is made from high quality food grade 304 stainless steel, interior is made of lead-free glass, heat-resistant, anti-corrosion, anti fouling, no nasty chemicals, no harmful toxics, you can be 100% sure you and your family are drinking the cleanest, safest drinks possible! [KEEP HOT&COLD]: Double wall insulation maintains hot or cold temperature of contents for a long time. Cold liquids stay cold for 12 hours without any condensation on the outside of the bottle. Hot liquids stay hot for 3 hours. This glass liner vacuum flask can withstand the rapid temperature change of the water from -10 to 150 [EASY TO CLEAN]:Round opening edge and wide mouth, perfect for drinking directly. Easy to clean.Perfect for water, coffee, tea, milk, hot beverage, etc! [BEST FOR ALL OCCASION]: This glass insulated travel mug comes with a stainless steel tea strainer, you can enjoy your tea time freely. Business style for man, Perfect for office, travelling, gym, home,etc! The compact design fits in all standard cup holders!