vinyl envelope

Most use self-adhesive or peel-and-seal (self-sealing) closures. Many listings describe these closures as tamper-evident, meaning the seal will show visible signs if the mailer has been opened after sealing.

Listings describe these envelopes as made from plastic/poly materials, most commonly polyethylene or polypropylene, in various constructions (clear sleeves or opaque/printed poly).

Many mailers include an internal layer of bubble cushioning for extra protection. Specific listings vary; at least one product specifies 3/16" bubble cushioning, while others simply note an internal bubble layer to protect items in transit.

Many listings describe the exterior as moisture-resistant or water-resistant, offering protection against rain, snow, spills, leaks, and dirt. Degree of protection varies by product, so check individual item details for full specifications.

Yes. Some products are clear, transparent sleeves designed for greeting cards and photos; other options are opaque or printed poly bubble mailers (plain white or patterned) that hide contents and provide a space for addresses.

Most mailers are writeable or include a clear area for addresses and postage, so you can hand-address them and apply postage directly without needing extra labels.