This laser cut sheet is 17" x 11" and made with 24# white stock. There is 1 horizontal perforation 3-2/3" from the bottom. Printworks Professional pre-perforated papers are ideal for nearly every type of business or organization that does high-volume, high-speed printing. Printworks Professional papers have clean perforations and are guaranteed to run on all laser, inkjet, and digital printers and copiers. Perforated paper is commonly used for invoices and billing statements, notices, booklets and catalogs, coupons, gift certificates, direct mail applications, receipts, and church bulletins. This perforated paper comes with 5 reams per carton, for a total of 2500 sheets per carton.