Avery 11178 Insertable Big Tab Plastic Dividers, 5-Tab, 11 x 17 The 11" x 17" size is perfect for engineering documents, blueprints, planograms, financial spreadsheets and more. Tabs won't fall out! Special tab design secures inserts, making it easy to insert and remove tab titles. Durable plastic allows for frequent reference. Translucent, multicolored dividers have tabs that are bigger, providing 50% more writing space than standard tabs.