Lasts all year. Their versatile design lets you simply snap them into notebook Spirals or slide out the 3-hole punched strip to store them in a 3-ring binder. Tabs along the top Let you label the dividers by subject and quickly flip to the right section. Two layered pockets on each divider make it easier to organize, store and protect loose papers like homework and handouts. Comes in a set of three dividers in three different colors to easily color code sections. Available in two assorted color packs: Red/Cobalt Blue/Green or Teal/royal Purple/Lime. 11-1/2" x 9-3/16". note:  color choice is not available for this Item.  color shipped to you is selected at random, and will vary.