Bookshelves. The series Plano also includes a side table and dining tables available in two heights. - Structure: cataphoresis treated and varnished steel in avorio, grafite or wengé colour, plastic spacers. - Shelves: lightened concrete in avorio, grafite or wengé colour, matching the structure. - Notes: This product can be used also in interior environments. - The use of a Winter Set protection cover is recommended.