100PCS Metallic Pink Bubble Padded Envelopes Self-Sealing Mailers Extra Wide 4x8

This metallic mailers are made with an outer aluminum covered surface and bubble interior lining to give the mailers that opaqueness with interior security for your items.These bubble envelopes allow you to attach self-adhesive stamps and address labels easily. Simply peel and fold over to seal each package safely and securely. Mailing envelopes are equipped with a strong self-sealing adhesive strip. Once sealed, cannot be opened without signs of tampering. The aluminized film makes these padded envelopes tear-resistant, puncture-resistant, and waterproof. A thick layer of air bubbles protects against impact and will keep your packages safe.