Drinkware Guide
Can You Drink Hot Tea, Wine or Spirits from a Copper Cup?
Copper cups look great, but what a copper cup can safely hold depends on what touches your drink. Bare copper or brass reacts with acidic drinks; a cup with a food-safe lining is a different case. Heat matters too, because copper passes heat straight to your hand.
Short answer
Only with care. Bare (unlined) copper and copper alloys such as brass should not touch acidic drinks: the FDA Food Code, a model code for food businesses, says they may not be used in contact with food below pH 6, and names wine. If a cup has a food-safe lining, that lining is what touches the drink, so follow the maker's guidance for drinks and temperatures. Hot tea also makes the outside of a copper cup hot quickly, so it can burn your fingers.
- FDA Food Code 4-101.14: bare copper and copper alloys may not contact food with a pH below 6, such as vinegar, fruit juice or wine (model code for food businesses, not a blanket federal law).
- A food-safe lining changes what touches the drink; check whether the maker states one.
- Copper conducts heat well, so a hot drink makes the outside hot to hold.
- The product listing describes a hand-hammered solid copper cup; it does not state a food-safe lining or a temperature rating, and we have not verified either.
Bare copper vs a lined cup
- Copper reacts with acids. The FDA Food Code (section 4-101.14) says copper and copper alloys such as brass may not be used in contact with food that has a pH below 6, giving vinegar, fruit juice and wine as examples. The Food Code is a model that US states and local agencies adopt for restaurants and stores; it is not a federal law for home use, but it is a clear guide.
- Many copper cups and mugs are lined on the inside, for example with stainless steel or another food-safe material. With a lining, the lining is what touches your drink. Without one, the drink touches copper.
- If a listing only says "solid copper" and does not mention a lining, assume the inside is bare until the maker confirms otherwise.
Wine, spirits and tea
- Wine is acidic and is named in the Food Code limit, so it should not sit in bare copper.
- Spirits and tea vary. Neat spirits and many teas can still be acidic, and mixed drinks often include citrus or other acidic mixers. Without a known pH, the cautious choice for bare copper is to keep acidic drinks out.
- For a lined cup, follow the maker's guidance on which drinks it suits.
Hot drinks and heat
- Copper passes heat to its surface very quickly. A hot drink in a thin copper cup makes the outside hot within moments, so it can be uncomfortable or burn your fingers or lips.
- Check the maker's temperature guidance before pouring a just-boiled drink. If none is given, let the drink cool first, and hold the cup by a handle if it has one.
About the cup in our shop
- Our listing describes a hand-hammered solid copper cup. It does not state a food-safe lining, a temperature rating or a food-contact certification, and we have not verified any of these. Treat it as a bare copper cup for decor or for non-acidic, room-temperature or cold drinks unless the supplier confirms otherwise.
Care
- Hand wash with mild soap and warm water, rinse, and dry straight away to limit water marks and tarnish.
- Copper darkens naturally over time.
It is not recommended. The FDA Food Code says bare copper and copper alloys may not touch food with a pH below 6 and names wine as an example. A cup with a food-safe lining is different — follow the maker's guidance.
It can get very hot to hold, because copper conducts heat quickly. Check the maker's temperature guidance; if there is none, let the tea cool first. Many teas are also acidic, which matters for bare copper.
Look inside: a lining usually looks silver-coloured rather than copper. Check the maker's description too. If the listing does not mention a lining, treat it as bare copper.
The listing describes solid copper and does not state a food-safe lining, temperature rating or certification. We have not verified one, so do not rely on it for acidic or hot drinks.
Hand wash with mild soap and warm water, then dry it straight away with a soft towel.