Reveal-N-Seal Security #10 Window Envelopes

Self sealing - requires no moisture to seal. Security seal reveals evidence of tampering. Security tinted. Window. #10. 4-1/8" x 9-1/2". Top Window Size:. Top Window Placement:. Bottom Window Size: 1-1/8" x 4-1/2". Bottom Window Placement: 3/4" from botttom. 500 per box.