The Packaging Wholesalers 12-1/2 x 19 Inches 6 Bubble Lined Self-Seal Poly Mailer, 50 per Case (ENVB836A) 12.5"x19" Mailing Envelope 3/16 Inch bubble lining cushions products during shipment. Mailers feature a convenient peel and seal closure. Smooth exterior makes labeling easy Moisture, Tear and Tamper resistant