hard envelope

JAM PAPER #6 Coin Business Colored Envelopes - 3 3/8 x 6 - Blue Recycled - 100/Pack

JAM PAPER 6 1/2 x 9 1/2 Open End Catalog Commercial Envelopes - White - 100/Pack

JAM Blue Open End Colored Catalog Envelopes with Peel and Seal Closure, 6" x 9" 25 Per Pack

JAM PAPER A6 Colored Invitation Envelopes - 4 3/4 x 6 1/2 - Ultra Orange - 100/Pack

JAM PAPER #1 Coin Business Envelopes with Peel and Seal Closure - 2 1/4 x 3 1/2 - White - 50/Pack

UOFFICE Colored Poly Mailer Bags 7.5" x 10.5" Envelopes

UOFFICE Pack of 100 Poly Mailers Bags 10" x 13" - #3 Self-Sealing Envelopes

Fosmon 6" x 9", Self-Seal Tear-Proof Polyethylene Mailers

Fosmon #0 Colored PINK Poly Bubble Mailer 6.5" x 10", Padded Shipping Envelopes, 6.5 x 9" Usable size - 10 Pack

Fosmon 10" x 13", Self-Seal Tear-Proof Polyethylene Mailers

Fosmon #1 Kraft Bubble Mailer 7.25" x 12", Padded Shipping Envelopes

UOFFICE Color Poly Mailer Envelope Bags 6" x 9"

UOFFICE 100 Poly Mailers Bags 9x12" - #2 Pouches Envelopes White Self-Sealing

Unique Bargains 5000 Pounds Savings Challenges Book, Durable Waterproof Compact Reusable Expense Envelopes

Fosmon 24" x 36", Large Self-Seal Tear-Proof Polyethylene Mailers

UOFFICE Pack of 100 Poly Mailers Bags 12"x 15.5" - #4, with Self-Sealing Closure

supplyhut 100 - 4x7.5 Bubble Out Pouches Bags Wrap Cushioning Self Seal Clear 4" x 7.5"

Unique Bargains Blank Paper Mini Vintage DIY Greeting Card Envelope 12 Pcs

UOFFICE 1000 Poly Mailers Bags 6" x 9" - #0 White Self-Sealing Envelopes

UOFFICE Pack of 100 Poly Mailers Bags #6 14.5"x 19" with Self-Seal Closure

UOFFICE Pack of 50 Poly Mailer Bags 14.5"x 19" - #6 wih Self-Sealing Closure

UOFFICE Pack of 100 Poly Mailer Bags 6" x 9" - #0 Self-Seal Envelopes

40ct Kraft Envelope