<strong>Can you put yeti cups in the microwave?</strong>

  • By: Emma
  • Date: December 2, 2022
  • Time to read: 4 min.

Can you put yeti cups in the microwave?

This is a question that I get asked a lot. And to be honest, I don’t have a definitive answer for you. I’ve seen people say that you can, and others say you shouldn’t. So, I did some research to try and figure out the answer for myself.

Can you put yeti cups in the microwave?

It is not advisable to put Yeti cups in the microwave. Yeti drinkware is made of stainless steel (8% nickel & 18% chromium), which reflects the microwave radiation inside the oven and causes sparks and fire hazards. Also, due to the shielding effect of stainless steel, microwave radiations are blocked, and food inside Yeti cups cannot be heated.

Yeti cup capacityPriceEmpty WeighExternal DimensionCupholders Compatible
10 oz20$0.3 KG2.8’’W×5.7’’HYes
20 oz35$0.4 KG3.5’’W×6.6’’HYes
30 oz38$0.5KG4.0’’W× 7.8’’HYes
Table 1. Yeti cup size range and features.

The abovementioned table shows the capacity of different Yeti cups, their price, weight, external dimensions, and whether these cups are suitable for cupholders. A brilliant feature of Yeti cups is that all varieties of Yeti cups are ideal for cupholders.

Also, you can see that these cups are very lightweight and have decent dimensions. This means that you can carry these cups anywhere without much hassle. Last but not least, Yeti cups are very affordable products.

What are Yeti cups?

A Yeti cup is a vacuum-insulated stainless steel tumbler that keeps your drinks cold (or hot) for hours. Yeti cups first gained popularity among outdoor enthusiasts and athletes who needed a way to keep their beverages cold during long days in the hot sun.

But Yeti cups aren’t just for athletes and adventurers. In recent years, the stainless steel tumblers have become a must-have accessory for coffee lovers, office workers, and busy moms on the go.

Thanks to their double-walled construction and vacuum-sealed lid, Yeti cups can keep your iced coffee cold all morning, your water icy all afternoon, and your hot tea steamy until bedtime.

Which cups are safe to place in the microwave?

We’ve all been there. You’re in a rush and need to heat your coffee or tea, so you pop it in the microwave. But what happens when you use the wrong cup? You could end up with a mess – or worse, an injury.

So, what cups can’t you microwave? First, let’s start with metal cups. Metal reflects microwaves, which means that if you try to heat your beverage in one of these, it’s likely to cause sparks – and possibly a fire.

Even if your cup is labeled “microwave-safe,” it’s best to play it safe and avoid using it in the microwave altogether.

Another type of cup that you should avoid using in the microwave is one made of Styrofoam. Styrofoam is a type of plastic that can melt when heated, and it is possible that melting could cause your cup to leak.

If you have doubts about whether a cup is microwave-safe, the best thing to do is to avoid using it in the microwave.

Always make sure the cups you use are made of microwave-safe materials. Some materials, like aluminum foil, can cause sparks and should never be used in a microwave.

Second, avoid using plastic cups or containers that have been damaged in any way. If there are any cracks or chips in the cup, it could allow microwaves to leak out and potentially cause harm.

Finally, always follow the manufacturer’s instructions when microwaving anything to be safe.

If you’re unsure whether a cup is microwave-safe, you can do an easy test at home. Just put a small amount of water in the cup and microwave it for 30 seconds. If the water stays cool, then the cup is safe to use.

Can insulated cups go in the microwave?

Yes, insulated cups can go in the microwave. When you heat food in the microwave, the microwaves cause the water molecules to vibrate. This creates heat, which then cooks the food.

But when you put an insulated cup in the microwave, the microwaves can’t penetrate through the insulation, so they don’t interact with the water molecules. This means the cup doesn’t get hot, and your food stays cold.

So if you want to reheat your coffee or tea in the microwave, remove the lid and put it in without the insulated cup. Or, if you’re going to keep your drink hot for longer, you can put it in a regular ceramic mug instead.

Can a Yeti go in the dishwasher?

Yes, a Yeti can go in the dishwasher. Here’s a scientific explanation:

A Yeti is made of polyurethane, a durable and heat-resistant material. That means it can withstand the high temperatures and harsh detergents in a dishwasher.

Polyurethane is often used in commercial dishwashers because it doesn’t break down like other materials. So if you’re wondering whether your Yeti is dishwasher-safe, the answer is yes!


In short, I would not advise you to put Yeti cups in the microwave. It is largely because Yeti cups have the kind of metals that tend to reflect microwave radiations inside the oven and cause sparks. Therefore, do not put Yeti cups in a microwave to be safer.

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