Bubble Mailers, 4x7 Inch Padded Bubble Mailers Pack of 100 Bubble Envelopes Opaque Self Seal Adhesive Waterproof Bags for Shipping and Packaging (Black

✨【Bubble Mailers Size】 Exterior Size: 4 x 8 inch. Usable size: 4 x 7 inch. our mailer envelopes are lined with unique air cellular layers and 360°strong air bubble technology, which can help absorb shock during shipment and provide effective shipping protection for your products. ✨【Self Sealed Envelopes】 Our bubble mailers come with a self-adhesive tamperproof seal. Once the envelope has been sealed, it cannot be opened without visible signs of tampering. ✨【Sturdy Durable Construction】 The thicken shipping bags covers with polyethylene material, making them not easily punctured and damaged. Beside, the shipping bags features with excellent waterproof and tearing proof effects because of the reinforce sealing on the edge. They can keep your value stuff safely to destination even though using on rainy days.