Quality Park Redi-Seal Self Seal #10 Double Window Envelope, 4 1/2" x 9 1/2", White Wove, 500/Pack (24559-QP-500)

Quality Park #10 Double Window Envelope (4 1/8 x 9 1/2) in White Wove w/ Redi-Seal are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail, sold as 500 per box. #10 Double Window Envelopes (4 1/8" x 9 1/2") in 24lb. White Wove with Redi-Seal are an ideal business envelope for those looking for both quality and easy sealing. When sending letters, invoices or statements, save the time and expense of separately addressing envelopes. Simply position the address to show through the window. Sealed with Redi-Seal, a no moisture sealing method, with a unique flap design that keeps the gum from sticking before use.