1.5mm mdf sheet, Hard rolled so semi sheen finish not sanded, to make this requires extreeme pressure so some roller marks are evident ( not like the texture of hardboard) manufacturing tolerances apply, although mostly 1.5 mm, it can range from 1.4 to 1.6mm, it is also saw cut so a dimensional tolerance of /-3mm which is deemed permissible These boards need to be sold in 5’s due to issues shipping 1 sheet on its own
