The Packaging Wholesalers 4-78134 9-1/2 x 14-1/2 Inches Kraft Self-Seal Bubble Mailer, 100 per Case (ENVB857SS) 9.5"x14.5" Mailing Envelope High slip 3/16" bubble for easy product insertion Self-Seal with convenient, tamper evident, peel and stick lip. 9.5"x14.5" Mailing Envelope Self-Seal with convenient, tamper evident, peel and stick lip.