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.

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.

Powder coating,Paint spraying,Air-transfer printing and Water-transfer printing.

Laser engraving logo,silkscreen printing,Heat transfer printing,3D printing and Embossed.

NIUBOTTLE can keep hot for 12 hrs or cold for 24hrs.

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.

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.

No.Freezing temperatures can damage the insulation properties of your insulated NIUBOTTLE.

To carry the coldest of contents in your insulated BOTTLE,simply fill with ice and enjoy.

No.All NIUBOTTLE products are made of stainless steel and are not safe to put in the microwave.

Do not place in microwave.

Do not place in freezer.

Do not use bleach or cleaners containing chlorine to clean.

If contains hot liquids, keep out of the reach of children.

Wash with hot water and soap before first use.

Hand washing recommended.