500 6x9 Poly Mailer Envelopes Self Sealing Shipping Mailers Bags Black

500 (6" x 9") Self-Sealing Black Poly Mailers Product Specs Qty: 500 pcs Size: 6" x 9" + 1.5" (W x L + Lip) Material: PE (Polyethylene) Seal: Self Sealing Lining: None Printing: Size Acid: Free Key Attributes Pressure-sensitive self-sealing adhesive (just peel the liner and stick). Tamper evident. 3-layer co-extruded polyethylene film. Superior water, tear, and puncture resistance. Ultra-lightweight to save on postage. Highly opaque for content privacy. Easy to load contents and package when the packing process needs to be fast and efficient. The outer surface is writable and easily adheres to labeling. UPS, FedEx, DHL, and USPS approved. 100% recyclable.