Quality Park Poly Mailing Envelopes [SKU - QUA46190]

Quality Park Poly Mailing Envelopes - Document - 9" Width x 12" Length - Self-sealing - Polypropylene - 100 / Pack - Gray: Mailing envelopes feature white opaque, co-extruded polyethylene film for extra tear-resistant strength. Poly material is virtually waterproof. Envelopes feature double perforations for easy opening and tamper-evident, Redi-Strip adhesive closure. - 100 / Pack