Effectively organize your binder with the Mylar Tabs. It has built up holes with tear protection edges. The typesetting on Tabs is maximum of 2 lines per tab. Insertable tab indexes are reinforced on both sides at the binding edge and have three holes along that edge for use in standard size binders. It fit all 11 x 8.5 and 8.5 and 5.5 three ring binders. Mylar tab extends 1/2" from sheet. Tough 90 lb.