7 x 10 Booklet Envelopes - 24lb. Bright White (50 Qty) | Perfect for Catalogs, Annual Reports, Brochures, Magazines, Invitations | 12237-50 Size: 7 x 10 Booklet Envelopes / 7 in x 10 in / 7" x 10" / 178mm x 254mm Quantity: Pack of 50 Color: 24lb. Bright White USES: Catalogs, Annual Reports, Brochures, Magazines, Invitations and so much more! Applications: Business Mailings, Direct Mail, Corporate Mailings, Financial Mailings, Personal Mail. Printable on off-set printing presses and some home printers.