100 Pcs Bulk #6 12.5x19 Inch Poly Padded Envelopes Max Security Shipping Bags for Large Goods

Usable Size (Internal): 12.5 x 18 inch — Exterior: 12.5 x 19 inch. Instant Security Lock Mechanism: The strong peel-and-seal strip locks down immediately upon contact, creating a dependable barrier against accidental opening or pilferage. Economical for E-commerce: Buying in bulk at 100 pieces secures a competitive low unit cost, directly improving the profitability of medium-to-large e-commerce shipments. Flexible yet Durable Material: The resilient Polyethylene material resists cracking and maintains integrity, adapting slightly to contents while providing robust external defense.