Two Zippers - One opens the pencil pouch at the top and the other is a side pocket.
Outside is a strong canvas material and inside is smooth and can be wiped down.
Acco Metal Book Rings, 1" Diameter, 100 Rings Per Box (ACC72202)
Acco Metal Book Rings, 2", 38 Rings Per Box (ACC72205)
Avery Big Tab Two-Pocket Insertable Plastic Dividers, 8-Tab Set, 1 Set (11907)
Avery Binder Pockets, Fits 3-Ring and 7-Ring Binders, Assorted, Pack of 5 (75307)