Are silicone straws safe? Everything you need to know about silicone straws

Are you looking for a safe and eco-friendly alternative to plastic straws? Silicone straws have become a popular choice due to their durability, flexibility, and ability to reduce waste. In this article, we will discuss are silicone straws safe and provide you with everything you need to know about these reusable straws.

eco friendly straws

Are Silicone Straws Safe?

Silicone is a synthetic polymer made from silica and other materials. It is a highly durable, flexible, and heat-resistant material that has become popular for kitchen and household items, including straws.  Because of its safe and soft properties, food-grade silicone is widely used to make baby pacifiers, tableware, and straws.

silicone straws

Unlike plastic straws that leach harmful chemicals like BPA, phthalates, and PVC, food-grade silicone is non-toxic and odorless. It is safe for humans and doesn't contain these materials. Silicone straws are safe for both hot and cold drinks.

Always look for food-grade silicone when purchasing silicone straws to ensure safety, without worrying about harmful chemicals leaching into your drinks.

Are silicone straws the best reusable and eco-friendly straws? Why?

Straw Material Pros
Plastic Straw ✔️Cheap
✔️Widely available
✔️Never gets soggy, even in hot beverages.
❌Harmful to the environment.
❌Not durable
❌Can contain harmful chemicals
Paper Straw ✔️Biodegradable
❌ Can get soggy or fall apart if left in liquid for too long. 
❌Not a good choice for people who enjoy drinks slowly
Bamboo Straw ✔️Can be used again
✔️Chemical Free
❌Easily absorbs odors
❌Will get damp if not dried in time
❌Easy-to-breed bacteria
❌Have the taste of bamboo (some will not like it)
Glass Straw ✔️Durable
✔️Easy to clean
✔️You can look if it's clean or not.
❌Not portable.Not suitable for on-the-go use
Silicone Straw ✔️Durable
✔️Easy to clean
✔️Safe for hot and cold drinks
✔️Never break
✔️Foldable and easy to carry
❌Higher cost compared to plastic straws

As you can see, each type of reusable straw has its own set of advantages and disadvantages.

While bamboo and metal straws have their benefits, they may not be suitable for all users. Paper straws are biodegradable but often fall apart after prolonged use, while glass straws are fragile and can pose a safety risk.

When comparing the advantages and disadvantages of different types of reusable straws, silicone straws come out on top as a safe, durable, and eco-friendly choice.

As they are the best reusable straws due to their numerous advantages over other popular materials. They are highly durable, flexible, and easy to clean. Unlike plastic straws, silicone straws do not contain any hazardous materials and are safe for human consumption.

 Additionally, they are safe for use with both hot and cold beverages. With proper care, silicone straws can last up to ten years.

What are the Pros and Cons of Silicone Straws?


When it comes to the pros of silicone straws:

  • One of the main benefits is their durability.
  • Silicone straws are highly durable and can last for years, making them a great long-term investment.
  • They are also very flexible, which makes them easy to use and comfortable to drink from. Additionally, silicone straws can help reduce waste by eliminating the need for single-use plastic straws.


However, there are also some cons to consider when it comes to silicone straws:

  • One potential issue is their higher cost compared to plastic straws.
  • While silicone straws can be more expensive upfront, they are a worthwhile investment in the long run due to their durability and reusability.
  • Another potential issue is the risk of bacteria growth if they are not cleaned properly.( This applies to all reusable straws)

It's Time to Switch to Silicone Straws!

To switch to a more sustainable and enjoyable drinking experience, silicone straws are an excellent choice. The reusable silicone straws with cases from Cool Gadget are highly recommended as they come in cute rainbow colors and are made from 100% food-grade silicone.

reusable silicone straws

These straws are easy to clean, durable, and compatible with most types of glasses, sports bottles, tumblers, and more. 

They also come with a handy carrying case, making them convenient for travel. By choosing silicone straws, you can reduce your impact on the environment and enjoy your favorite beverages without the guilt of single-use plastic straws.

reusable silicone straws

How to Clean Silicone Straws?

Cleaning silicone straws properly is important for maintaining their hygiene.

Common silicone straws are usually paired with a brush smaller than the size of the straw for cleaning.

But unlike ordinary silicone straws, Cool Gadget's reusable silicone straws can be opened directly. The user can clearly see the residue inside the silicone straw and wash it clean!

how to clean silicone straws

If your silicone straw has absorbed some odor, you can try the following methods to remove the smell:

  • Use tea to remove the odor: put tea and silicone straws into a cup and add warm water, leave it for about 4 hours, and finally wash the straws.
  • Use orange peel to remove odor: put fresh orange peel (or lemon slices) and silicone straws into warm water and soak in straw for about 4 hours, then clean the straws.
  • Use salt water to remove the odor: clean the straw first, then pour the diluted salt water and straw into a cup, shake well, and leave it for 2 hours and then clean the straw.
  • Use milk to remove odor: first clean the silicone straw, then pour two tablespoons of fresh milk and straw into the cup, tighten the lid, shake evenly for a minute, and finally pour off the milk and clean it.

FAQs about Silicone Straws

What are the cons of silicone straws?

The following are the disadvantages of common eco-friendly straws:

1. Glass straws: One drawback of glass straws is that they are prone to breakage and are inappropriate for use by young children. Because glass straws cannot be folded, they take up more room in your luggage when you carry them outside the house, and you must take extra care to avoid crushing them.

2. Metal straws: Metal straws should be cleaned as soon as possible after using them to drink acidic liquids like lemon juice because they are not acid-resistant. It is advised against using harsh brushes to clean metal straws since they may become contaminated with bacteria if they are scratched. Instead, use soft brushes or clothes.

bamboo straws and metal straws

3. Bamboo straws: The drawback of bamboo straws is that they readily absorb the smell, and if they are not completely dried after cleaning, they may develop a musty odor. Bamboo straws must therefore be washed and dried promptly after use. It is advised that friends who appreciate bamboo straws choose to buy uncolored bamboo straws when purchasing because many businesses will color bamboo straws for aesthetic purposes, which to some extent has an impact on health.

4. Silicone straws: Many of the issues with straws mentioned above can be resolved using silicone straws! First off, silicone straws are lightweight, flexible, and simple to store by twisting and bending them. This makes them very convenient to transport.

However, silicone straws have a few drawbacks, including the ease with which dust and flavor can accumulate. It must be briefly cleaned both before and after use or else it will quickly become yellow and conceal dirt.

These are the characteristics of eco-friendly straws, so you can purchase them based on your requirements.

Are silicone straws safer than plastic?

Plastic straws are not only easy to age, but also not resistant to high and low temperatures. Even some plastic straws can produce harmful substances at high temperatures. Simply because plastic straws are cheap and disposable, they are popular with businesses.


Silicone straws are made of food-grade silicone through high-temperature vulcanization, and the silicone material itself is non-toxic and tasteless, so there is no doubt that silicone straws are safer than plastic straws.

Do silicone straws contain BPA?

First, let's find out what BPA is:

It has been used since the 1960s in the manufacture of plastic (milk) bottles, sippy cups for young children, and the inner coating of food and beverage (powdered milk) cans. But BPA can also cause endocrine disorders that threaten the health of fetuses and children. Obesity due to cancer and metabolic disorders are also thought to be linked. The EU believes that BPA-containing bottles can induce precocious puberty and has banned the production of BPA-containing baby bottles since March 2, 2011.

Next, let's learn more about the material of silicone straws - silicone.

Silicone has no irritation to human tissues, no toxicity, no allergic reaction, and very little rejection by the body; it has good physical and chemical properties and can maintain its original elasticity and softness in the process of contact with body fluids and tissues, and is not degraded, and is a rather stable inert material. It can withstand high temperatures and can be sterilized. It is easy to process and mold, easy to process and sculpt the shape, and easy to use.

From this, we can see that silicone is BPA-free.

How long can you use silicone straws?

The life span of a silicone straw generally depends on the environment in which it is used. Silicone straws are resistant to high and low temperatures and have excellent resistance to strain. The life span of silicone straws at room temperature can be up to 10 years or more.

Can you put silicone straws in boiling water?

Silicone is resistant to extreme heat and cold.  The temperature range of silicone is -40°C to 220°C, far exceeding that of plastic products for food. Even when silicone is burnt, it only decomposes into silica and water vapor, which is non-toxic and harmless.

Water boils at 100 degrees, and because the temperature resistance range of silicone is far greater than 100 degrees, so the answer is yes, you can put silicone straws in boiling water. The premise is to buy silicone straws produced by regular manufacturers.

Do silicone straws harbor bacteria?

Silicone straws are a relatively safe material and usually do not have harmful effects on the human body. However, if silicone straws are not cleaned for a long time or left in a humid environment, they can breed bacteria and mold, which may pose a threat to human health.

It is important to note that this is not a disadvantage of silicone straws, but for all reusable straws, bacteria can grow if they are not cleaned promptly after use.

Therefore, it is recommended that you clean reusable straws promptly after use, and regularly clean and disinfect these straws, avoiding long periods of time without cleaning or placing them in a humid environment.

Are silicone straws safe for hot drinks?

As long as the regular manufacturers of silicone straws, they can be used to drink hot drinks. Silicone itself is a non-toxic and tasteless substance, with a heat resistance range of -40 ~ 220 degrees, so use silicone straws to drink hot drinks with no problem at all. The premise is to buy silicone straws produced by regular manufacturers.

How do you disinfect silicone straws?

To sterilize and disinfect the silicone straw, immerse it in boiling water for 3-5 minutes.

Silicone is a very stable and heat-resistant material that can be immersed in hot water. If you find this difficult, you can simply place the silicone straws in the dishwasher.

 In summary, silicone straws are a safe and eco-friendly alternative to plastic straws. With their durability, flexibility, and ease of use, silicone straws are quickly becoming a popular choice for reducing waste. Remember to always check for food-grade silicone when purchasing silicone straws to ensure their safety for human consumption.