The Kreacover Lever Arch file is made from polyproplyene. 1 clear exterior pocket to the cover. Can hold A4 documents 32x29cm in size and can hold A4 documents. 75mm Rings 70mm Spine The file has a clear pocket to the exterior cover for personalisation. The file also has a label on the spine for easy identification Comes with a 10 year warranty. FSC® Certified, by choosing this product, you are supporting responsible management of the world's forests.