Double Window First Class Mail Envelope (9.5″x12″) #90528

# 90528 – Double Window First Class Mail Delivery Envelope. Measures 9.5″ x 12″ overall. This envelope has a peel & seal flap for easy sealing and a first-class mail border.

Top Window Size: 4 3/4″ X 1 1/4″

Top Window from Left: 7/8″

Top Window from Bottom: 7 7/16″

Bottom Window Size: 4 1/2″ X 1 3/4″

Bottom Window from Left: 1 3/8″

Bottom Window from Bottom: 5 1/8″

This envelope is packaged in cases of 500 Envelopes each.