Juvale 100-Pack Stay Flat Rigid Mailers 7 x 9 Inches with Self Adhesive Seal, Bulk White Cardboard Envelopes for Shipping Photo, Documents, Letters, Packaging Supplies
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Rigid Mailer Envelopes: Our durable 7×9 stay flat mailers are made of 450 gsm thick paper; protects valuable documents, passports, art prints, photos, media, and jewelry
Self-Adhesive Seal: The flat cardboard envelopes have an adhesive strip at the top to ensure contents remain inside while in transit; simply peel, seal, and then press to adhere the two ends together