Approx. 10 mm thick, made of waterproof glued chipboard. The floor plates are coated with plastic floor covering. The delivery does not include insulation and aluminium brackets. X-Trem insulation is ideal for floor insulation. For the entry at VW T4 we recommend the entrance steps. Some floor tiles can only be manufactured in 2 parts due to their size. Large, bulky and complex to pack shipping items. Please ask your local specialist dealer for the freight charges incurred.