The industry’s standard for rigid mailing envelopes.
• Made from .036 chipboard, 25% stiffer than all other paperboard mailers.
• 100% Recycled paperboard features a 97% Post-Consumer Recycled Content.
• Featuring a reusable, economical locking tab closure.
• Rigid construction – will not bend or crush.  No additional stiffeners needed.
• Practical alternative to bubble packs or shredded paper padded mailers.

• The First Dimension for each mailer listed below is the size of the opening.

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11 x 13 1/2″ #3SFK Kraft Tab-Lock…

$40.64
#3SFK Kraft Tab-Lock Original Stayflats® Mailer (100/Case)

11 x 16″ #8SFK Kraft Tab-Lock Ori…

$48.16
#8SFK Kraft Tab-Lock Original Stayflats® Mailer (100/Case)

12 3/4 x 15″ #4SFK Kraft Tab-Lock…

$49.01
#4SFK Kraft Tab-Lock Original Stayflats® Mailer (100/Case)

13 x 18″ #6SFK Kraft Tab-Lock Ori…

$56.30
#6SFK Kraft Tab-Lock Original Stayflats® Mailer (100/Case)

17 x 21″ #7SFK Kraft Tab-Lock Ori…

$41.25
#7SFK Kraft Tab-Lock Original Stayflats® Mailer (50/Case)

18 x 24″ #11SFK Kraft Tab-Lock Or…

$58.22
#11SFK Kraft Tab-Lock Original Stayflats® Mailer (50/Case)

20 x 27″ #12SFK Kraft Tab-Lock Or…

$66.40
#12SFK Kraft Tab-Lock Original Stayflats® Mailer (50/Case)

22 x 27″ #27SFK Kraft Tab-Lock Or…

$82.08
#27SFK Kraft Tab-Lock Original Stayflats® Mailer (50/Case)

6 x 8″ #1SFK Kraft Tab-Lock Origi…

$21.65
#1SFK Kraft Tab-Lock Original Stayflats® Mailer (100/Case)

9 3/4 x 12 1/4″ #5SFK Kraft Tab-L…

$35.17
#5SFK Kraft Tab-Lock Original Stayflats® Mailer (100/Case)

9 x 11 1/2″ #2SFK Kraft Tab-Lock …

$34.20
#2SFK Kraft Tab-Lock Original Stayflats® Mailer (100/Case)