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Spitiko > World > PET vs. Stainless-Steel Bottle: Which material is better for a water bottle?
close up of empty plastic bottles

PET vs. Stainless-Steel Bottle: Which material is better for a water bottle?

As society becomes more environmentally conscious, we have made positive strides towards more sustainable lifestyles, for example, by adopting reusable water bottles and eco-friendly products and by sparing electrical energy or recycling various materials. However, only some people assume this practice, putting their convenience before caring for the environment.

The problem is exacerbated when it comes to disposable water bottles. Due to their intrinsic characteristic of being disposable, these types of bottles usually end up in trash receptacles instead of recycling bins. Consequently, landfills are flooded with non-biodegradable waste, which causes air pollution.

And what is worse. In many cases, they do not even reach a garbage can and end up on public roads, forests, beaches, rivers, and seas.

Given this toxic threat to the planet and our well-being, how can we as savvy consumers determine which types of reusable water bottles are least likely to pollute and increase our carbon footprint?

Below we present a comparison between some types of popular water bottles on the market in terms of being biodegradable and recyclable. Which one is better? We’ll let you decide.

What are The Differences Between PET Bottle and Stainless-Steel Water Bottles?

The PET bottles in the rail on the conveyor belt for filling process in the drinking water factory

Disposable plastic bottles (PET)

While these single-use water bottles offer the benefit of portability and availability for our fast-paced schedules, plastic is an environmental hazard that is wreaking havoc on the planet.

This material contains petroleum, a non-renewable resource, which triggers widespread pollution from fossil fuels, both in developed urban areas and in natural ecosystems.

It is estimated that around 80% of these bottles are thrown away rather than recycled, and as we know, plastic takes 700 years to decompose, polluting the air and oceans.

Each plastic water bottle emits 120 grams of greenhouse gases when it reaches a landfill. In addition, it is dangerous to reuse these products because they release Bisphenol-A (BPA), a toxic chemical.

Fortunately, not only have people started to adopt more sustainable habits. But companies are also already making efforts to reduce the amount of plastic waste they generate. If your company is looking for a way to be more sustainable. This guide will be useful to start with How to use less plastic in the office.

Close-up of Unrecognizable female hand holding Water bottle. Reusable steel thermo water bottle in park. Sustainable lifestyle. Plastic free zero waste free living. Go green Environment protection. Woman drinking water in park

Stainless-Steel Water Bottle

While stainless steel water bottles are highly durable, they are among the most expensive options on the market. However, the price should be a minor factor when buying one. Since this material has a very long lifespan and supports practically unlimited use. The cost-benefit ratio of this type of product is very good.

It is also dishwasher-safe and recyclable.

Unlike the health risks associated with silicone and other polycarbonates. Stainless steel is BPA-free and meets US Food and Drug Administration (FDA) food-grade standards.

Stainless steel offers sustainability and has a high recycling potential. Not to mention that it is one of the healthiest materials for drinking water.


According to information from the Chamber of Deputies, in 2017, PET consumption in Mexico amounted to 722 thousand tons per year. We are the second largest consumer of PET containers for soft drinks in the world and the first of plastic bottles for lightweight stainless steel water bottles.

Many ended up in streets, forests, beaches, rivers, lakes, etc.

To minimise these statistics, we must decrease our reliance on disposable water bottles. Embrace reusable alternatives made from eco-friendly materials that reduce environmental damage.

According to what we have seen here, the most ecologically reusable water bottles are stainless steel and glass.

In short, adopting a more sustainable lifestyle and being a more responsible society. Will help us reduce plastics’ impact on our environment. To become more sustainable, many companies are adopting bottle-free water dispenser systems or bottled water. Filling stations to supply purified water to their staff. Which will cause more and more people to use reusable water bottles. Disposable bottles will soon forgotten.

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