poly bubble mailer

They have a kraft paper outer surface with a plastic bubble lining. The interior/bubble layer is described as polyethylene or polypropylene.

They use a self-adhesive (self-seal) flap closure that is described as tamper-evident and provides a tight, secure seal.

The bubble lining thickness is specified as 2/16 inch.

Pack sizes shown include options sold in 10, 25, 50, and 100 units, with specific listings often showing 10, 25, and 100 counts.

Individual envelope weights range from about 0.19 ounces up to 2.2 ounces, depending on the size.

They use bubble-lined walls and multilayered bubble padding for cushioning, heat-bonded sides for strength, and a self-adhesive tamper-proof flap; descriptions also note they are water resistant.

Yes. The kraft paper outer covering and extra-smooth surface are described as suitable for handwriting, labels, and stamps, making it easy to write on and stick labels or postage.

The inside/useful length is typically about 1 inch shorter than the outside length while the width remains the same. Examples: outside 8.5 x 14.5 in vs inside 8.5 x 13.5 in; outside 8.5 x 12 in vs inside 8.5 x 11 in.

Envelopes are heat-bonded on two sides to create a watertight, tamper-proof seal and include a strong self-adhesive tamper-proof flap.