Can Tumblers Go In The Microwave?

Written by Kyla Adams


Posted on December 17 2023

Microwaves have become an essential kitchen appliance, making our lives more convenient by quickly reheating or cooking various dishes. However, not all utensils and containers are suitable for use in the microwave. In this blog, we'll delve into the question of whether tumblers, often used for beverages and made from different materials, are safe to use in the microwave.


Understanding Tumbler Materials:


Tumblers come in various materials, each with its own set of properties. It's crucial to consider the material of your tumbler before deciding whether it can go in the microwave.


Glass Tumblers:


Glass tumblers are generally microwave-safe, but it's essential to ensure they don't have any metallic accents, such as gold or silver rims. Metal can cause sparks in the microwave, leading to potential damage or fire hazards. Always check for any manufacturer recommendations on the tumbler.


Plastic Tumblers:


Plastic tumblers are a popular choice due to their durability and lightweight nature. However, not all plastics are microwave-safe. Check the bottom of the tumbler for a "microwave-safe" label. If there's no indication, it's safer to transfer your beverage to a microwave-safe container.


Stainless Steel Tumblers:


Stainless steel tumblers are generally not recommended for microwave use. The metal can reflect microwaves, causing the appliance to work ineffectively or even damage it. Additionally, there may be a risk of sparks, making it unsafe.


Ceramic Tumblers:


Ceramic tumblers are typically microwave-safe unless they have metallic accents or a metallic glaze. As with glass, it's essential to inspect the tumbler for any manufacturer warnings or guidelines.

Guidelines for Microwaving Tumblers: When in doubt, follow these general guidelines to determine if your tumbler is microwave-safe:


1. Check for Labels: Look for a "microwave-safe" label on the bottom of the tumbler. Manufacturers often provide clear instructions regarding the suitability of their products for microwave use.


2. Examine for Metallic Elements: Avoid microwaving tumblers with any metallic elements, such as rims, logos, or decorations. Metals can cause sparks, leading to potential hazards.


3. Transfer if Unsure: If you're uncertain about a tumbler's microwave safety, transfer the contents to a designated microwave-safe container before heating.




While many glass and plastic tumblers are safe for microwave use, it's crucial to consider the specific material and any additional features, such as metallic accents. Always follow the manufacturer's guidelines and err on the side of caution when uncertain. By understanding the properties of your tumblers, you can enjoy the convenience of reheating your beverages without compromising safety or damaging your kitchenware. If you are looking for a brand new tumbler click here.