What is the difference between the presentation covers and the hinged portfolio?
Presentation covers are a set of covers available in A4 and A3 portrait or landscape. They are made of black book paper and take standard 2 hole and 4 hole punched sheets. Screws are sold separately and come in different lengths according to the number of sheets to be inserted. Also available with a metal front cover. Hinged portfolios are available in A4 portrait and A3 portrait and landscape. They are covered in book cloth and have 10 plastic sleeves with inner black card which hold A4 or A3 sheets. They are held together with silver screws. Extra sleeves are available in packs of 10. The hinged portfolios come in black, grey, red or with a metal front cover.