The Marbig® expanding sheet protector with a coloured edge is ideal for dealing with bulky documents. The expanding gusset is able to hold up to 100 sheets of paper, and the coloured edge allows you to colour code your filing - making them perfect for offices, school classrooms, and other routine admin document protection and storage. Designed for presentations and archiving, these super heavyweight A4 size sheet protectors offer the highest level of durability and protection - providing tear-resistance, and Copysafe pockets that will not smudge ink or lift off copies, meaning that photocopies can be kept for years without chemical reaction with the pocket.