Are Insulated Tumblers Safe to Wash?

The Dishwasher Dilemma: Are Insulated Tumblers Safe to Wash?

Table of Contents

Table of Contents

Are Insulated Tumblers Safe to Wash? In the fast-paced world of modern convenience and hectic schedules, insulated tumblers have become a well-liked option for those who want to maintain their drinks at the ideal temperature all day. But many people worry if they can properly wash these useful containers in a dishwasher when it comes to cleaning. This thorough guide will examine the ins and outs of dishwasher safety for a variety of insulated tumblers from well-known manufacturers like Tervis, Starbucks, and Yeti, and it will provide advice on how to take the best possible care of these robust yet delicate objects.

See Also: Expert Tips: How to Clean Water Bottle and How Often

Understanding Insulated Tumblers

Vacuum seals are commonly incorporated into the double-walled structure of insulated tumblers. This design is essential for reducing heat transmission and enabling liquids to maintain their temperature for long periods of time. The efficiency of the tumbler depends on this insulation's efficacy, however maintaining it requires cautious cleaning to prevent deteriorating the vacuum seal or insulation quality.

See Also: Can Insulated Tumblers Go in the Dishwasher? Understanding Care Instructions

Are Insulated Tumblers Dishwasher Safe?

The brands and material composition of insulated tumblers greatly influence whether they are permitted for use in dishwashers. Here’s what you need to know about some of the most popular tumbler brands:

Starbucks Tumblers

  • Insulation: Starbucks tumblers are often designed with aesthetic appeal in mind and are insulated with a double-wall construction to enhance temperature retention.
  • Dishwasher Safety: Generally, Starbucks tumblers are not recommended for dishwasher use. Only hand-washing is recommended. This is because the intense heat of a dishwasher can potentially damage the seal between the tumbler's walls, compromising its insulation integrity.

Tervis Tumblers

  • Insulation: Known for their varied customization options and variety of colors and styles, Tervis tumblers use a double-walled, vacuum-insulated technique that effectively maintains beverage temperature.
  • Dishwasher Safety: Tervis is unique in that many of its tumblers are dishwasher safe. Tervis makes this a point to use materials that can withstand the harsh temperatures of dishwashing. This makes them a convenient choice for users who prefer the ease of dishwasher cleaning without risking damage to their tumbler.

Yeti Insulated Cups

  • Insulation: Yeti cups are lauded for their exceptional insulation capabilities, durability and longjeviti as they utilize stainless steel with vacuum-sealed walls to keep drinks cold or hot for hours.
  • Dishwasher Safety: Yeti has made considerable efforts to design its products to be dishwasher safe, reassuring users that the cleaning process will not degrade the tumbler’s performance or durability. Yeti unlike most other insulated tumblers have been around for quite some time and have built up a reputation for durability and ease of cleaning.

Caring for Insulated Cups and Mugs

Even for brands that offer dishwasher-safe models like the Splitflask 2 Drink tumbler, there are several best practices to ensure your tumblers last:

  1. Read Manufacturer’s Instructions: Always follow the exact care guidelines provided by the manufacturer. This can usually be found printed on the box or in a leaflet included inside the box. If a product is deemed dishwasher safe, it is usually recommended to place it on the top rack to avoid the harsher heating elements at the bottom.

  2. Avoid Harsh Detergents: Some dishwashing detergents can be quite abrasive and corrosive to the paint on your tumbler. Gentle detergents are preferable, especially for hand-painted or decorated tumblers.

  3. Hand Washing: For maximum longevity, hand washing with mild detergent and warm water is advisable, especially for tumblers not labeled as dishwasher safe or typically lower-end tumblers like the Meoky.

  4. Dry Thoroughly: Make sure all parts, nooks and crannies, especially any lids or movable components, are dry before reassembling to avoid mold or mildew formation. It is suggested to leave out to dry for a few hours before reassembling your insulated tumbler.

Special Considerations for Specific Brands

Are Yeti Insulated Cups Dishwasher Safe?

Yes, Yeti now designs many of its products to withstand the hash temperatures of dishwasher use, allowing more convenience cleaning and maintenance for its users.

Starbucks and Dishwasher Safety

Most Starbucks tumblers should be hand-washed, particularly those with intricate designs or delicate finishes as they are usually cheaply made with non-durable materials.


While the convenience of using a dishwasher to clean insulated tumblers is tempting, the safest and risk-free method remains hand washing, particularly for tumblers that are not explicitly marked as dishwasher safe. For those who value ease of maintenance along with performance and longevity, selecting a brand known for its dishwasher-safe products like Splitflask, Tervis or Yeti might be the best route. Proper care and adherence to the manufacturer's cleaning instructions ensures that your tumbler continues to provide the high performance expected while maintaining its aesthetic appeal for years to come. However, when in doubt, hand wash your insulated tumbler instead f using a dishwasher. 

Understanding and adhering to the correct cleaning procedures will not only prolong the life of your insulated tumblers but also ensure they continue to perform at their best, providing you with warm or cool drinks just the way you like them, anytime and anywhere.

FAQs: Everything You Need to Know About Stainless Steel Tumblers

1. Are stainless steel tumblers safe to use every day?

  • Yes, stainless steel tumblers are safe for daily use as they are typically made from food-grade 18/8 stainless steel, which does not leach harmful chemicals into your beverages and are highly durable.

2. Can I put my stainless steel tumbler in the dishwasher?

  • Some stainless steel tumblers like the Splitflask are dishwasher safe, but it's best to check the manufacturer's recommendations. Placing in the top rack of the dishwasher or hand washing is often advised to preserve the integrity of the insulation and exterior finish.

3. Are stainless steel tumblers lead and BPA free?

  • High quality stainless steel tumblers are both lead-free and BPA-free, making them a safer choice compared to many plastic alternatives.

4. Can stainless steel tumblers be recycled?

  • Yes, stainless steel is 100% recyclable. However, the ability to recycle your tumbler depends on your local recycling facilities and whether the tumbler can be easily disassembled.

5. Can I microwave my stainless steel tumbler?

  • No, placing any metal, including stainless steel tumblers, in a microwave is highly dangerous and can damage both the microwave and the tumbler.

6. How are stainless steel tumblers made?

  • They are typically crafted using a combination of molding and welding techniques, often featuring a double-walled construction which is vacuum pumped for superior insulation.

7. Are there any stainless steel tumblers made in the USA?

  • Yes, several less know smaller brands manufacture their stainless steel tumblers in the USA, offering higher manufacturing standards and supporting local businesses. However, all the popular stainless steel tumbler brands manufacture in China.

8. What should I look for when choosing a stainless steel tumbler?

  • Consider factors like material quality, insulation efficiency, lid design, size, durability, unique features, and customer reviews to find a tumbler that best meets your needs.

9. Why are stainless steel tumblers good for the environment?

  • Stainless steel tumblers reduce reliance on single-use plastics, are durable, long lasting, and can be recycled, contributing to less waste and pollution.

10. Do beverages in stainless steel tumblers taste different?

  • Generally, stainless steel does not impart any flavor to your beverages by leaching chemicals, ensuring that your drinks taste fresh and clean.

11. Can stainless steel tumblers hold both hot and cold liquids?

  • Yes, the insulated design of these tumblers allows them to effectively keep liquids either hot or cold for several hours but not at the same time. The only stainless steel tumbler that can kep both hot and cold liquids at the same time is Splitflask.

12. Are Starbucks tumblers made of stainless steel?

  • Starbucks offers a variety of tumblers, some are made from plastic while others are made from stainless steel, known for their durability and thermal insulation properties.