50 Pack 9X12 inch Self Seal Photo Document Mailers Stay Flat White Cardboard … ColorWhite Closure TypeSelf-SealMaterialPaperNumber of Items50About this itemPackage contains: 50pack 9X12 inch Self Seal Photo Document MailersEasy to peal & seal: Easy to peel and seal with a strong flap adhesive, no need extra licking of glue or water to moisten. Tear strip design for photo mailer also helps you open its package without struggleMaterial: Made of 450 gsm paperboard. Thickness: 1.5mmDocument Mailers Size: 9X12 inch. Perfect size for art prints, photos, CDs, certificates, A4 documents, paper, handbook, catalogue, literature, sheets, manual, booklets, invitations, blueprint, etcThese Seal Photo Document Mailers are perfect for mailing soft goods, photographs, documents and printouts. Ideal choice post offices, logistic shipping companies, packaging wholesalers, mail order companies, office stationery suppliers, online stores, home or personal use