It does not consist of any harmful materials. Esperanza 7s carafe set with the elegant design of the esperanza 6 glass and 1 carafe taken from its simplicity, you will feel the effect of humeyra home with every sip. I wish you to enjoy your pleasant food conversations to the fullest. All our water glasses come with a high-quality box, ready for gift-giving.Us is 5-7 days; 8-12 days to worldwide. Please feel free to contact me if you have any questions. This item is made of glass.