500 Pcs Wholesale 5x10 Inch Poly Padded Envelopes Max Security Bubble Mailers

Usable Size (Internal): 5 x 9 inch — Exterior: 5 x 10 inch. Instant Security Lock: The peel-and-seal strip locks down immediately upon contact, creating a strong, secure barrier against pilferage or accidental opening. Optimized for High-Volume Savings: Bulk purchasing at 500 pieces guarantees a competitive cost-per-unit, directly improving e-commerce profit margins. Flexible and Durable Film: The resilient Polyethylene material is highly flexible yet sturdy, resisting cracking and maintaining its integrity in varying temperatures.