Handpainted borosilicate glass Due to the handcrafted nature of this item, expect slight variation in the appearance of each unique piece Not suitable for hot beverages Avoid contact with hard objects and utensils to prevent scratching This item is not microwave safe Hand wash with soft sponge and mild detergent using lukewarm water; wipe dry with soft cloth A colored sheen may appear if glass has not been recently used; easily wipe clean with a soft cloth Imported Condition MSRP$58