Hello, thank you for your suggestion, based on which our supplier contacted us and would like to respond below.
"Thank you for your review. The set only contains one glass for installation, but we'd be happy to send you a new package. We would ask you to contact us at
[email protected] for support, where we'd be happy to resolve any potential complaint with you. We also recommend installing the glass according to the instructions provided on the box or here: https://www.youtube.com/watch?v=YaZo4phtjiM."
If you need anything, please do not hesitate to contact us. Thank you and have a nice day, Ondřej - Alza expert