Lead-free Double Wall Glass Coffee & Tea Mugs

Double wall design borosilicate insulated glass mug is perfect for tea and coffee lovers. The heat-proof, 16 oz, insulating-clear coffee and tea mugs with ergonomic handle are handmade (having gone through 30 processes) 100% lead-free and come in a 4 pack..
Double wall design borosilicate insulated glass mug is perfect for tea and coffee lovers. The heat-proof, 16 oz, insulating-clear coffee and tea mugs with ergonomic handle are handmade (having gone through 30 processes) 100% lead-free and come in a 4 pack. Made of heat and condensation-resistant borosilicate glass, which is stronger and more durable than other glass.  Designed and manufactured for regular daily use, these glasses are dishwasher safe and microwave safe.  They can even be used in the freezer or refrigerator.

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