This A4 size ECO popper wallet is made from clear durable polypropylene and also features a press stud closure to keep your documents secure. There is also a pen holder under the flap. The new ECO range of PP Document Management has been designed to give consumers an environmentally-friendly choice at no extra cost. Carefully-selected additives enable Rapesco ECO products to biodegrade safely without causing harm to the environment. During the biodegradation process, the products do not emit methane or any chemicals harmful to the soil, even in deep landfill.