Product selling points:

1.These mailers add a po p of color to the mail and stands out from the rest, quite different from the standard one. Your customers will look forward to that charming chromatic envelope in the mail. Those padded mailers are lightweight mailing envelops, will not add to your shipping costs.

2.Tear Resistance Envelopes: This padded envelopes are with durable and sturdy surface, work great instead of paper versions that tear with sharp,heavy, or weird shaped products. Also made with multilayered polyethylene sheets, provide an excellent protection for shipment.

3.Multipurpose Bubble Mailers: You can use these to mail cosmetics, paintings, fashion accessories, jewelry, medicines, seeds and bulbs, and a lot more. They are padded enough to protect fragile things during shipping. The laminated top allows you to attach self-adhesive stamps and address labels easily.

4.Self-Adhering Envelopes: The poly bubble mailers come with a self-adhesive tamperproof seal. Once the envelope has been sealed, it cannot be opened without visible signs of tampering. The smooth surface of the mailers makes it easy to stick stamps and address labels.

Specification:

Color: black

Size: (11x15) (13x15)(13x18) (15x18)(15x20) (18x23) (25x30) cm, Pack of 20.

Material: New material PE + Pearl film

There are 2 sides borders (0.39''/10mm each)
Example:
Like the size 11x15cm, this is the external size
So the inner size of this size should be: 9x15cm (3.54x5.91in)
Flap: 4cm (1.75 inches)