#10 Single Window (DIGITAL) Envelope - 24# White (4 1/8 x 9 1/2) (Box of 500) A Quantity of 500 - #10 Single Window (DIGITAL) Envelope - 24# White 24# White Wove Paper - Window: 1 1/8 x 4 1/2. 7/8 from Left. 5/8 from bottom. Compatible with digital (laser) printers. Great for mailing letters, checks, invoices, statements, brochures, documents, contracts, and more. Perfect for all business mail. This envelope may be sourced from any one of a number of top brands. Ships via UPS Ground