#10 & #9 regular & window envelope / box of 500

Description

# 10 Regular 4 1/8 x 9 1/2 envelope box of 500
# 10 Window 4 1/8 x 9 1/2 envelope
box of 500
#   9 Regular  3 7/8 x 8 7/8 envelope
box of 500
5 boxes to a case
All white woven
Regular seal (moistenable glue)
Non security type
Specify size and type in message to seller