This is a pack of 10 track holders that can be used to bind just the right size. A4-sized for a clean finish. Cover: Clear; Standard: A4-S; Capacity: 15 sheets; Back Width: 0.2 inches (6 mm); Color: Orange; Quantity: 10 pieces; Material: Cover: Polypropylene; Bar: Polystyrene; External Dimensions: Length 11.7 x Width 8.3 inches (297 x 211 mm); Cover Thickness: 0.007 inches (0.18 mm).