All Size Rigid Flat Photo Mailers Document Envelopes Cardboard Self Seal Mailer

---The tear strip tab at the top allows for quick and convenient opening ---Self-sealing, peel, and stick, adhesive keeps contents secure tamper-proof ---Extremely durable and lightweight cardboard material helps save on postage ---Provides bend resistance ---Surface easily accepts ink, stamps, and labels ---Approved for USPS, FedEx, UPS, and DHL.