#10 Single Window Envelopes can be used for personal mailing or Quickbooks checks, invoices or business statements
Left window design allows senders to show a printed mailing address and can also be printed on
Strong gummed seal with 1" thickness keeps your business documents secure throughout mailing process
Envelopes #10 size (4 1/8 x 9 1/2) fits letter and legal sized documents and #8 and #9 return envelopes
500 envelope count extends time between reordering needs