Southworth 25% Cotton Business #10 Envelopes, 4.125&rdquo; x 9.5&rdquo;, 24 lb, Linen Finish, Ivory, 250 Envelopes (J564-10) 24 lb. envelopes for professional and special occasion correspondence Color: Ivory with linen finish 250 fine #10 business envelopes; Size: 4.125" x 9.5" Compatible with inkjet, laser printers, and copiers Ideal for mailing documents, invoices, presentations and much more