Collection folder with elastic closure and 3 flaps made of Colorspan cardboard 355 g/m² - A4. These collection folders are made from Colorspan cardboard, a material of unique quality that is homogeneous and dyed, without coating and without the addition of plastic materials. It is more durable than all other everyday cardboards. 355 g/m² corresponds to a thickness between 457 µ and 500 µ. Excellent value for money. Without a spine label, but with a pre-printed design on the cover, making it easy to label the contents. FSC certified. The collection folder with elastic closure is 100% manufactured in our facilities in France, from the cardboard to the finished product.