Flat Envelope Mailers
Wide Selection of Flat Envelope Mailers
Stayflats Plus® White Self Seal Flat Envelope Mailers
Strong chipboard mailers protect photos and documents during shipping
19 Options
As Low as $25.44
Stayflats® Kraft Self Seal Flat Envelope Mailers
Strong chipboard mailers protect photos and documents during shipping.
11 Options
As Low as $60.84
Stayflats® Kraft Flat Envelope Mailers
Strong chipboard mailers protect photos and documents during shipping.
11 Options
As Low as $49.92
Stayflats® White Flat Envelope Mailers
Strong chipboard mailers protect photos and documents during shipping.
11 Options
As Low as $53.04
Stayflats® White Gusseted Flat Envelope Mailers
Strong chipboard mailers protect photos and documents during shipping.
2 Options
As Low as $118.56
Stayflats® White Side Loading Flat Envelope Mailers
Strong chipboard mailers protect photos and documents during shipping.
2 Options
As Low as $138.84
Stayflats® White Express Envelope Mailers - 12 1/2 x 9 1/2"
Our version of the courier industry standard overnight letter.
1 Options
As Low as $213.30
Stayflats® White Utility Flat Envelope Mailers
Save money on shipping with these lightweight, economical mailers!
7 Options
As Low as $109.67
Stayflats® Black Self Seal Flat Envelope Mailers
Strong, Black Flat Mailers protect documents & photos during shipment.
1 Options
As Low as $358.80
Stayflats® Do Not Bend Flat Envelope Mailers - 9 x 11 1/2"
Save money on shipping with these mailers with a Do not bend message.
1 Options
As Low as $113.57