Accordion Style: Exclusive expandable gusset pocket to increase capacity to hold electronic readers, calculator or other bulky items. If you don’t want to extra space it can be zipped to be flat! Age of Application: 3 yrs+. Durable: Made of sturdy construction with reinforced metal grommet holes, zips smoothly, firm enough to last for a couple years. MULTI USE: The pencil pouch can hold all types of items like studying supplies, Pencils, Erasers, Tapes, Notepads, Pens, Markers, Protractors, Crayons, Color Pencils, Calculators, Highlighters, Compasses, Rulers etc. 3 Compartments: Compared to other ordinary 2-pocket zipper pouch, it has 3 separate and individual pouches to store multiple contents. More pocket, more capacity! What You Get: Set of 2 Black pencil pouches. Dimensions are 0.375 x 6.9 x 9.6-inches., Gusset expands to 2 ½”. Worry-free 18-month warranty and friendly customer service.