Avery® Binder Spine Inserts, 1-1/2 Inch Binders, 25 Inserts (89105) - 2.1" Width - 25 Capacity - For 1 1/2" Sheet - 3 x Rings - Bright White - Card Stock Show off the spine of a champion with Avery(R) 1-1/2" Binder Spine Inserts for 3 ring binders with 2.1" spine width. Customization of Avery(R) 89105(TM) is a snap with free templates, fonts and designs on the Avery(R) site, and you can print your completed spine inserts on a or inkjet printer. Microperforated sheets of cardstock separate easily for 3 ring binder spine inserts with smooth clean edges; sturdy cardstock makes them easier to insert into the view binder spine. Label binder spines for meetings, clients, personal reference or any of a host of other uses. Pack of 25 spine ID inserts are perfect for organizing binders at home, school or work.