SHOCKPROOF – : These 6×9 bubble mailers adopt thickened double-layer bubble film to absorb shock during shipment and form a high buffer, high-strength physical characteristics, protecting your items WATERPROOF -: Besides double-layer bubble film, these padded mailing envelopes are covered with premium opaque aluminized film and sealed with superior glue to provide the waterproof effect PRIVACY PROTECTION – : These bubble mailer envelopes adopt a self-adhesive seal design. The high-temperature sol has strong adhesiveness to prevent your items from being stolen and replaced. EASY TO USE -: These convenient shipping envelopes protect the mailed items during transportation. They are ideal for packaging and transporting mobile phone accessories, jewelry, fragile products, and drugs. Eye-catching Design: Stand out from the crowd with these Metallic Matte Red Bubble Mailers. Their vibrant metallic finish adds a festive touch, perfect for holiday mailings or for businesses wanting to make a memorable impression. Robust and Durable: Engineered for protection, their metallic finish and bubble padding safeguards against moisture, tears, and punctures, ensuring contents arrive safe and intact. Superior Protection: Inside each mailer is extra-thick bubble padding, providing optimal shock absorption, keep your items safe during transit. Secure Self-seal Closure: The self-seal closure boasts a very strong adhesive, providing a reliable seal to keep your items secure inside. It’s designed for easy sealing and efficient packaging. Package Includes :75 Pcs x 6×9 Inch Metallic Bubble Mailers Bags