Sport Water Bottles Bulk

 

Look at the material

304 food grade: 304 is food grade stainless steel, which is completely sufficient for daily hot water insulation.

316 medical grade: 316 is a medical grade material, suitable for hot water and beverage liquids.

316L medical grade: 316L has a lower carbon content than 316, but better corrosion resistance.

Note: It is recommended to choose 316 or 316L for children, and avoid using 201 or 202 stainless steel.

 

Look at the material of accessories

Cup lid: High temperature resistant PP material should be used

Straw: Food grade silicone or PP

Note: Avoid using PC material. PC may release harmful bisphenol A at a high temperature of more than 80 degrees.

 

Look at the label

Is there information such as product name, specifications, insulation efficiency, name of the manufacturer and (or) distributor.

 

Look at the insulation performance

Generally speaking, a thermos cup with a heat preservation time of more than 6 hours is ideal.

 

Check the sealing

After filling it with water, turn it upside down for a few minutes to see if it leaks.

 

Check the capacity

A 300-500 ml thermos cup is suitable for daily use.

 

Check the cup structure and capacity

It is recommended to choose a double-layer structure for children's thermos cups, which has better insulation effect and can effectively prevent burns.

 

Smell whether there is any peculiar smell

A good thermos cup should have no peculiar smell, or the odor is light and easy to dissipate.

If the odor is strong and does not dissipate for a long time, it should be avoided.