#10 Full Face Window Envelopes (4 1/8 x 9 1/2) - 28lb. Bright White (50 Qty.)

These envelopes contain an oversized transparent window centered on the face of the envelope that is ideal for mailing letters, catalogs, invoices or statements, annual reports and sales literature. Simply position the address to show through the window, which is large enough to show off the entire contents.