As we all are aware, there are many types of water bottles available in the market. We are limiting our discussion to stainless steel water bottles and insulated water bottles. The best thing about stainless steel water bottles is that they are generally non-reactive, which means that they won’t transfer harmful chemicals or flavors to the drinking water. This not only ensures that the taste of water remains unchanged but also makes it a safer option for storing drinking water. The advantages of stainless steel water bottles over plastic water bottles are as follows

1. Stainless steel water bottles are more durable and cost-effective, as they can last for years.
2. Usually stainless steel is non-toxic and doesn’t leach harmful chemicals into the water we drink.
3. They are easy to clean.
4. Making the switch to stainless steel water bottles can help cut down on carbon emissions and plastic waste. 

1. The material used should be food-grade stainless steel (8/8 or 304)
2. The water bottle should be BPA-free and phthalate -free
3. A wider mouth will be an added advantage for easy cleaning.
4. A tiny layer of plastic or epoxy coating may be present within some stainless steel water bottles, which could allow chemicals to leach into the water. Therefore, we should ensure that the bottle we choose does not contain any such layers of plastic or epoxy.  

But if you are looking for water bottles that can keep water and other contents hot or cold for an extended period, then the insulated ones will be the right choice for you. Insulated water bottles are normally more expensive than stainless steel water bottles and may have a limited mouth opening. Keeping all these in mind, please select the required category.