1. What Are Stainless Steel Tumblers?

The stainless steel tumblers use 304 stainless steel, which is non-toxic and environmentally friendly, and will not produce peculiar smell. Stainless steel tumblers have no handles. The sleek, straight-edged design makes it easy to slip into a pack side pocket or any cup holder without jamming. With the leak-proof lid, so you don’t have to worry about water leakage in your bag. The tumbler has a narrow bottom but a wide opening for adding ice, while being easy to clean. Double-wall insulation design, more able to maintain temperature. Keep drinks warm for up to 12 hours and cold for up to 24 hours. Most insulated stainless steel tumblers support customization and are a good choice as gifts for friends, family members or colleagues.

2. Is It Appropriate To Put Coffee In Stainless Steel Tumblers?

When it comes to whether you can put coffee in stainless steel tumblers, the answer is yes. Material-wise, the 304 stainless steel liner is safe enough to not leach harmful substances into your coffee. At the same time, the material is widely used in kitchen utensils and medical industries, and can pass FDA testing.

On the other hand, when you’re traveling or at the office, you’ll need your coffee to stay hot at all times. Then the stainless steel tumbler is undoubtedly the most suitable choice. It can keep your coffee warm for about 12 hours without spoiling and affecting the flavor of the coffee. The same applies to iced coffee. The insulated stainless steel tumblers have a 24-hour cold storage function, allowing you to drink your favorite iced coffee in hot summer. Store your coffee in a stainless steel tumbler for easy portability and no worries about leaks. In fact, it will save you a lot of money compared to buying coffee at a coffee shop every day.

2.1 What Else Can You Drink Out Of Stainless Steel Tumblers?

Tumblers in the traditional sense are mostly used to hold cold drinks. But nowadays, with the advent of insulated stainless steel tumblers, it is more versatile, can hold almost all your favorite cold and hot drinks, and has good thermal and cold-keeping functions.

The stainless tumblers are perfect for hot drinks in the office, garden or on the go. Including coffee, hot cocoa, mulled wine, etc. It is also a safe option for parents with children, equipped for school use. There are also more options for serving cold drinks, such as ice water, smoothies, fruity water, iced coffee, juice, beer, wine, cocktails, etc. The wide mouth design makes it easy to add ice cubes to your cold drinks, keeping them cold for 24 hours. The lid is equipped with a straw mouth, which is convenient for sipping, and is an excellent match for cold drinks in summer.

2.2 Do Not Hold These 3 Liquids In Stainless Steel Tumblers

Although stainless tumblers can hold most liquids, there are three kinds of liquids that may have adverse health effects, if used in stainless steel tumblers. Lemonade, milk and hot tea.

As an acidic liquid, lemonade will inevitably corrode the stainless steel liner, causing damage to the tumbler and affecting its service life. Due to the heat preservation function of the stainless steel tumblers, the microorganisms in the hot milk will multiply rapidly at a suitable temperature. It means the milk will go bad quickly, and drinking it can cause symptoms such as diarrhea. At the same time, the nutrients in milk will also be destroyed. The same goes for hot tea. While reducing the nutritional value, the taste can also become bitter. It can even release toxic heavy metals.

3. How To Wash Stainless Steel Tumblers After Drinking With Coffee?

Stainless steel is one of the best materials for making coffee tumblers. But over time, your stainless steel tumblers may develop build-up and brown stains from exposure to coffee. Knowing the best ways to remove coffee stains can help you keep your tumbler clean and drink your coffee with confidence. Before your stainless steel coffee tumbler gets nasty, you can try a safe but strong home-made cleaner.

3.1 A mixture of vinegar and baking soda

As both materials are commonly found in homes, either alone can be an effective cleaner. Therefore, the mixture of vinegar and baking soda can be used as a natural stainless steel cleaner, with the effect of 1+1>2. Mix one tablespoon of baking soda to one cup of white vinegar, pour into the tumbler and shake to reach every spot. After standing for a few minutes, fill the tumbler with hot water and use a bottle brush to clean the inside of the stainless steel coffee tumbler. Then pour out the cleaner and rinse it off with hot water.

3.2 Dishwasher cleaner

Trust me, you will be amazed at how clean it is. Fill a stainless steel coffee tumbler with two teaspoons of detergent mixed with boiling water and let it sit for 30 minutes. Then make sure to wear gloves and use a bottle brush to scrub the coffee stains. Finally pour off the liquid and rinse off with hot water.

If none of these cleaning methods completely remove the residual coffee stain, then you may need a stronger cleaner to save your stainless steel coffee tumbler.

3.3 Try adding H2O2

As a cleaning agent, H2O2 itself has a strong cleaning effect. And when mixed with baking soda, even stubborn stains can be easily removed. Mix half a cup of H2O2 with two tablespoons of baking soda into the tumbler, and let it sit for 30 minutes before scrubbing the cup. Repeat several times until the stain is completely removed. Finally rinse off with hot water.

Hope that through this article, you have enough knowledge about your stainless steel tumbler. And can safely put coffee in stainless steel tumblers, whether iced or hot. Of course, we also offer a variety of cleaning methods. So, you no longer have to worry about those coffee stains that you once thought were difficult to remove. Let you enjoy your favorite coffee anytime without burden.