If you're looking for an elegant, simple and stylish cup for your tea and espresso. These espresso coffee/Tea cups are simple but elegant enough for the dining room or durable enough for the patio. They are great for your kitchen as well as a restaurant or cafe. It is made out of Borosilicate glass. Borosilicate glasses are known for having very low coefficients of thermal expansion, making them resistant to thermal shock, more so than any other common glass.
 
Product Details: 
SHOT: Satisfy your whimsy and your thirst with these appropriately-named mini-mugs for your favorite beverage
FUN: You can use these cute little shot glasses for your morning espresso or your evening shot
PLENTY FOR THE GANG: The set of Mini-Mug Shot Glasses comes with 6 shot glasses
PERFECT GIFT: These adorable ceramic mini-mug shot glasses make a great gift for all of your friends
DRINK IT UP: Each glass holds 3.5 ounces, just right for a good shot of expresso, whiskey, tequila or whatever
 
Product specifications: 
Pakage include: 6x Espresso coffee/Tea cup (3.5oz) 
Material: Borosilicate glass