Virtually indestructible binders ideal for manuals tough polypropylene spines and sides in bright colours with black covers 8 cross over prongs making 4 rings glx are extra wide for use with punched pockets double recesses in spines make binders easy to grip removable label holder allows labels to be easily changed holds up to 400 a4 sheets matt black prong fitting glx 4 ring 8 crossover prongs