Southworth manscript cover, 12-1/2″ x 9″, blue, 100 sheets/pack manuscript covers protect legal briefs, scripts or similarly shared documents from wear and tear. 25 percent cotton fiber provides heavyweight protection. Tops are scored, and corners are clipped for folding and binding. Each 30 lb. Manuscript cover features a watermark, smooth finish and an acid-free, lignin-free construction. Manuscript covers also contain a high percentage of recycled material. this product arrives to most customers in 2-3 business days.