![Amazon.com: masoline Large Ceramic Coffee Mug, Handmade Pottery Mugs, Tea Cups with Big Handle for Office and Home, 15.5 oz, Dishwasher and Microwave Safe (Rock Green) : Home & Kitchen Amazon.com: masoline Large Ceramic Coffee Mug, Handmade Pottery Mugs, Tea Cups with Big Handle for Office and Home, 15.5 oz, Dishwasher and Microwave Safe (Rock Green) : Home & Kitchen](https://m.media-amazon.com/images/I/71vcPxf7zBL._AC_UF894,1000_QL80_.jpg)
Amazon.com: masoline Large Ceramic Coffee Mug, Handmade Pottery Mugs, Tea Cups with Big Handle for Office and Home, 15.5 oz, Dishwasher and Microwave Safe (Rock Green) : Home & Kitchen
Evergreen 18 Oz Ceramic Winter Trees Cup- Dishwasher And Microwave Safe Christmas Coffee And Tea Mug : Target
![Mind Reader Vented Soup Mug, Stoneware Ceramic Microwave Cup with Handle, Lid, Dishwasher Safe, Holds 22 Oz., High-Gloss Exterior, Blue - Walmart.com Mind Reader Vented Soup Mug, Stoneware Ceramic Microwave Cup with Handle, Lid, Dishwasher Safe, Holds 22 Oz., High-Gloss Exterior, Blue - Walmart.com](https://i5.walmartimages.com/seo/Mind-Reader-Vented-Soup-Mug-Stoneware-Ceramic-Microwave-Cup-with-Handle-Lid-Dishwasher-Safe-Holds-22-Oz-High-Gloss-Exterior-Blue_05ddecb5-af00-4cae-ae23-70c556372879.42368d0b57995ebbf4ae1faa84639cdb.jpeg)
Mind Reader Vented Soup Mug, Stoneware Ceramic Microwave Cup with Handle, Lid, Dishwasher Safe, Holds 22 Oz., High-Gloss Exterior, Blue - Walmart.com
![Amazon.com: seceles 14 Oz Large Ceramic Coffee Mug, Handmade Pottery Big Tea Cup for Office and Home, Microwave and Dishwasher Safe, Big Handle Easy to Hold, Stylish Texture Glaze (Dark Blue) : Amazon.com: seceles 14 Oz Large Ceramic Coffee Mug, Handmade Pottery Big Tea Cup for Office and Home, Microwave and Dishwasher Safe, Big Handle Easy to Hold, Stylish Texture Glaze (Dark Blue) :](https://m.media-amazon.com/images/I/711pxqy6I-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: seceles 14 Oz Large Ceramic Coffee Mug, Handmade Pottery Big Tea Cup for Office and Home, Microwave and Dishwasher Safe, Big Handle Easy to Hold, Stylish Texture Glaze (Dark Blue) :
![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
![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
![Amazon.com: WONDER NEST Ceramic Coffee Mug - Novelty Mug Gift for Friends Women Men Coffee Lovers Collection, Coffee Drinker Microwave & Dishwasher Safe - 13 oz : Home & Kitchen Amazon.com: WONDER NEST Ceramic Coffee Mug - Novelty Mug Gift for Friends Women Men Coffee Lovers Collection, Coffee Drinker Microwave & Dishwasher Safe - 13 oz : Home & Kitchen](https://m.media-amazon.com/images/I/614aB4R3nbL.jpg)
Amazon.com: WONDER NEST Ceramic Coffee Mug - Novelty Mug Gift for Friends Women Men Coffee Lovers Collection, Coffee Drinker Microwave & Dishwasher Safe - 13 oz : Home & Kitchen
Evergreen 18 Oz Ceramic Reindeer Cup- Dishwasher And Microwave Safe Christmas Coffee And Tea Mug : Target
![15 fl oz Ceramic Mug, Long Island, New York, Anchor, Coastal Icon, Contour, Dishwasher & Microwave Safe - Walmart.com 15 fl oz Ceramic Mug, Long Island, New York, Anchor, Coastal Icon, Contour, Dishwasher & Microwave Safe - Walmart.com](https://i5.walmartimages.com/asr/55e493e9-801f-472b-96f4-e4511704ef64.7408121be909f3446eb4854647069232.jpeg)
15 fl oz Ceramic Mug, Long Island, New York, Anchor, Coastal Icon, Contour, Dishwasher & Microwave Safe - Walmart.com
![15 fl oz Ceramic Mug, Temecula, California, Balloon Tours, Dishwasher & Microwave Safe - Walmart.com 15 fl oz Ceramic Mug, Temecula, California, Balloon Tours, Dishwasher & Microwave Safe - Walmart.com](https://i5.walmartimages.com/asr/180e1f1f-dbf2-4bab-a4ad-5dad742eaa3a.9b7d255dbd5391d5f4966d42885159be.jpeg)