Self-sealing for easy packing with tamper-evident,super secure closure

12x15.5 Poly Mailers Envelopes 100pack Hot Pink Shipping Bags with Self Adhesive, Waterproof and Tear-Proof Postal Bags 💜Light Weight:This kind of Mailing Bags with Lightweight design that save your shipping cost and quite flexible, so they're very forgiving of weirdly-shaped contents, and it's easy to add in a bit of padding, like newspaper or bubble wrap, for extra protection. 💜Waterproof：Self-sealing for easy packing with a tamper-evident,super secure closure