1. KEEP DRINKS HOT/COLD: Our high-quality thermos can keep cold or hot drinks like cold cola or hot coffee hot for more than 6 hours. With our innovative technology, our water bottle keeps warmth for hours and prevents condensation from forming on the outside of the water bottle. Our stainless steel water bottle will insulate your drink. 2. SAFEER AND MORE PRACTICAL: Sip with our BPA-free water bottles, which are phthalate-free and toxic. Our thermos can be used by students to carry water, juice or milk to school. Adults can also use this stainless steel bottle as a coffee bottle, tea or milk at work or during breakfast/tea time. The mouth size of the bottle allows for quick filling and cleaning. Fill your bottle with delicious beverages to make your mornings and mornings brighter! 3. CONVENIENT: Vacuum Insulated Water Bottle 200ml (6.7oz) Size: 66-13cm! Compact size, it can be easily put into a briefcase or handbag. So it is perfect for students to carry easily or hang on a backpack. 4. Multi-function: They are lightweight in design, you can carry them easily, very suitable for summer outdoor long-distance hiking or trekking, sports running, beach, yoga, golf, travel, camping, daily use, etc. Suitable! It can also be a gift for friends and lovers.