Envelope-T4 2 Window, 5-3/4X9 Security, 500/Box

Supremex two window T4 envelopes, open side with gummed flap, artlined for security. Top Window Size: 1" x 3". Top Window Placement: 4-1/4" from bottom. Bottom Window Size: 1-15/16" x 4-1/4". Bottom Window Placement: 1-1/4" from bottom. FSC® certified. Ma