Our product is produced in 18 mm thick MDF (it is not chipboard, please do not compare it with chipboard products) in accordance with European E1 standards, which is harmless to health and does not contain carcinogenic substances. Since it is MDF, it is not affected by moisture and does not swell. The product is easy to install and will be sent with an installation diagram in the package. The package includes all the materials required for installation. An electric drill is not required to fix the product to the wall, concrete nails other than screws and dowels are also sent in the package. The edge of the mirror is ground for aesthetics and to prevent possible dangers.