Self-sealing window envelopes.
Size: Long No. 3
Dimensions (H x W): 9.3 x 4.7 inches (235 x 120 mm).
Thickness: 2.8 oz/yd2 (80 g/m2)
Other specifications: Recycled paper formula.
Specifications: Comes with tape, no zip code frame, center paste
Unit: 1 box (500 sheets)
Manufacturer Part Number: 4212-1992
Do not pass window envelopes through printers or printing machines. Windows may melt or peel.