Charming Color Usable size: 18cmx23cm+4cm, pack of 25. Bubble mailers in light pink with a shiny metallic finish. High-quality materials These padded envelopes are lightweight and durable. Made of brand new PE, non-toxic and tasteless, low temperature resistant and stable, these mailers add a touch of color to the mail and stand out from the rest. Security design Shipping envelope is waterproof and moisture-proof, it will not get wet in rain or snow. The non-transparent outer shell can well protect privacy, making it more professional and reliable. Self-sealed envelopes The adhesive on the flap is strong enough and goes from end to end. The peel and seal closure makes the envelope tamper-evident to keep products safe and secure. Application Suitable for books and paper products, clothing fabrics, luggage accessories, various electronic products and hard disk products, etc. It can be used as office, home, school, courier company and any place that requires transportation. -Wear-resistant and durable, waterproof and moisture-proof, tear-resistant and irreversible. -Significantly reduced transportation costs: Light weight, lower transportation costs and faster transportation preparations, compared with other carton packaging methods, can save a lot of costs. -There is strong adhesion, no need to worry about items falling, so that the items can be safely delivered to your hands. -Refuse to be transparent! Ensure that the opaque courier bag protects your privacy. The durable and sturdy surface is covered with a full bubble film, which makes the bag more durable and the bubble film is more effective against shock and pressure. Widened burst edge, high-strength self-adhesive sealing, the tear cannot be repaired, to ensure that the bag will not burst, thus reducing the loss for you and preventing malicious replacement during transportation. When the surface encounters water, which is effectively waterproof and has a better effect on resisting rainwater penetration. Specification: Composition: PE Size: 18x23cm, usable is 16x23cm Color: Light pink Uses: Express/express logistics, fragile items, small accessories, small accessories Package Included: 25 X Bubble Envelope