![Bosmarlin Large Ceramic Coffee Mug Set of 2, Stoneware Jumbo Latte Mugs for Office and Home, 16 Oz, Dishwasher and Microwave Safe(Blue, 2) : Amazon.com.au: Kitchen & Dining Bosmarlin Large Ceramic Coffee Mug Set of 2, Stoneware Jumbo Latte Mugs for Office and Home, 16 Oz, Dishwasher and Microwave Safe(Blue, 2) : Amazon.com.au: Kitchen & Dining](https://m.media-amazon.com/images/I/71erFCusNzL._AC_UF894,1000_QL80_.jpg)
Bosmarlin Large Ceramic Coffee Mug Set of 2, Stoneware Jumbo Latte Mugs for Office and Home, 16 Oz, Dishwasher and Microwave Safe(Blue, 2) : Amazon.com.au: Kitchen & Dining
![I feel like this is a good one. I put this ceramic mug in the microwave sometimes and overtime this black sludge appears in the outside? What is it and why do I feel like this is a good one. I put this ceramic mug in the microwave sometimes and overtime this black sludge appears in the outside? What is it and why do](https://preview.redd.it/omkr9m7r1ld01.jpg?auto=webp&s=5b4fab7ea6f97c9b65983ebbbb4038008faa7ac2)
I feel like this is a good one. I put this ceramic mug in the microwave sometimes and overtime this black sludge appears in the outside? What is it and why do
![Cup, microwaved many many times before, but this time heating 3oz of water caused this : r/whatisthisthing Cup, microwaved many many times before, but this time heating 3oz of water caused this : r/whatisthisthing](https://i.redd.it/sutn2avqsub21.jpg)
Cup, microwaved many many times before, but this time heating 3oz of water caused this : r/whatisthisthing
![Coffee Mug Set - Large Ceramic Stoneware Cups - Hand-Painted, Two-Tone Glazed Mugs for Coffee, Tea, and More - Microwave & Dishwasher Safe - Set of 4: Cups, Mugs & Saucers: Amazon.com.au Coffee Mug Set - Large Ceramic Stoneware Cups - Hand-Painted, Two-Tone Glazed Mugs for Coffee, Tea, and More - Microwave & Dishwasher Safe - Set of 4: Cups, Mugs & Saucers: Amazon.com.au](https://m.media-amazon.com/images/I/71VxcuqK3fL._AC_UF894,1000_QL80_.jpg)
Coffee Mug Set - Large Ceramic Stoneware Cups - Hand-Painted, Two-Tone Glazed Mugs for Coffee, Tea, and More - Microwave & Dishwasher Safe - Set of 4: Cups, Mugs & Saucers: Amazon.com.au
![MASTER Chef 4pc Stoneware Mug Set, Dishwasher and Microwave Safe, 340-mL, 4-pc, Assorted Colours | Canadian Tire MASTER Chef 4pc Stoneware Mug Set, Dishwasher and Microwave Safe, 340-mL, 4-pc, Assorted Colours | Canadian Tire](https://media-www.canadiantire.ca/product/living/kitchen/dining-and-entertaining/1422870/masterchef-4-piece-mug-set-f044dd6e-1cf0-4aa8-8b70-b8fd414d1f54.png?imdensity=1&imwidth=640&impolicy=mZoom)
MASTER Chef 4pc Stoneware Mug Set, Dishwasher and Microwave Safe, 340-mL, 4-pc, Assorted Colours | Canadian Tire
![SWEET WATER DECOR Stoneware Coffee Mugs | Novelty Coffee Mugs | Microwave & Dishwasher Safe | 14oz Coffee Cup | Fall Gift (Pumpkin Spice) : Amazon.com.au: Kitchen & Dining SWEET WATER DECOR Stoneware Coffee Mugs | Novelty Coffee Mugs | Microwave & Dishwasher Safe | 14oz Coffee Cup | Fall Gift (Pumpkin Spice) : Amazon.com.au: Kitchen & Dining](https://m.media-amazon.com/images/I/71d6i95TVPL._AC_UF894,1000_QL80_.jpg)
SWEET WATER DECOR Stoneware Coffee Mugs | Novelty Coffee Mugs | Microwave & Dishwasher Safe | 14oz Coffee Cup | Fall Gift (Pumpkin Spice) : Amazon.com.au: Kitchen & Dining
![PintoCer - 2 x Stoneware Mugs with Handles, Ideal for Coffee, Milk, Tea and Chocolate, Dishwasher and Microwave Safe : Amazon.com.au: Kitchen & Dining PintoCer - 2 x Stoneware Mugs with Handles, Ideal for Coffee, Milk, Tea and Chocolate, Dishwasher and Microwave Safe : Amazon.com.au: Kitchen & Dining](https://m.media-amazon.com/images/I/81+Ioafh6yL._AC_UF894,1000_QL80_.jpg)
PintoCer - 2 x Stoneware Mugs with Handles, Ideal for Coffee, Milk, Tea and Chocolate, Dishwasher and Microwave Safe : Amazon.com.au: Kitchen & Dining
![Custom Print on Both Sides Dishwasher and Microwave Safe Retro Stoneware Vintage Rainbow Design Ceramic Coffee Mug - China Eco-Friendly and Customize price | Made-in-China.com Custom Print on Both Sides Dishwasher and Microwave Safe Retro Stoneware Vintage Rainbow Design Ceramic Coffee Mug - China Eco-Friendly and Customize price | Made-in-China.com](https://image.made-in-china.com/2f0j00atBqTGiIswzj/Custom-Print-on-Both-Sides-Dishwasher-and-Microwave-Safe-Retro-Stoneware-Vintage-Rainbow-Design-Ceramic-Coffee-Mug.jpg)