Show off the spine of a champion with Avery 1" Binder Spine Inserts for 3 ring binders with 1.4" spine width. Customization of Avery 89103 is a snap with free templates, fonts and designs on the Avery site, and you can print your completed spine inserts on a laser 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 40 spine ID inserts are perfect for organizing binders at home, school or work.