350ml Eco-friendly Stainless Steel Coffee Mug Vacuum Insulated Reusable Coffee Tumbler Cup

Q: What is the your NIUBOTTLE made of? A: Your NIUBOTTLE products are constructed of premium,18/8 food grade stainless steel. The bottle lids are BPA-Free and Phthalate-Free. 18/8 stainless steel insides the lid ,no plastic will contact your drinks.   Q: What kind of bottles does NIUBOTTLE offer? A: NIUBOTTLE has a wide variety of products that goes from double wall vacuum insulated water bottle ,coffee&tea tumbler and food container. And your NIUBOTTLE can supply single wall water bottle and coffee&tea cup. To know details information of our products,please check our website product section.   Q: What NIUBOTTLE can do for the surface finish customization? A: Powder coating,Paint spraying,Air-transfer printing and Water-transfer printing.   Q: What NIUBOTTLE can do for the logo customization? A: Laser engraving logo,silkscreen printing,Heat transfer printing,3D printing and Embossed.   Q: How long does my NIUBOTTLE keep hot or cold? A: NIUBOTTLE can keep hot for 12 hrs or cold for 24hrs.   Q: Can I put my NIUBOTTLE in the dishwasher? A: We do recommend washing your stainless steel bottles in the dishwasher. Extremely high water temperatures and the rigorous environment of a dishwasher will deteriorate these finishes over time.   Q: How do I clean stainless steel insulated and single walled water bottle? A: You can hand wash your Stainless steel vacuum insulated bottle,with hot soapy water with a long-handle soft bristle brush. For a deep cleaning,we suggest cleaning the lid O-rings with a 50/50 solution of water and vinegar.   Q: Can I put my NIUBOTTLE in the microwave? A: No.All NIUBOTTLE products are made of stainless steel and are not safe to put in the microwave.