Protective Bubble Mailers office products HK B12 120x215mm / 140x225mm White 10 pcs

Self-adhesive Protective Bubble Mailers from office products, model HK B12, are padded envelopes designed for secure, lightweight shipping. The inner bubble film cushions contents against shocks and minor impacts, while the white outer layer provides a clean, uniform appearance. Each pack contains 10 mailers with inner dimensions of 120 x 215 mm and outer dimensions of 140 x 225 mm, suitable for small electronics, documents and accessories that need light protection in transit.

Advantages

These bubble mailers combine a lightweight construction with internal cushioning to reduce shipping weight while providing protection. The self-seal adhesive strip enables quick and reliable closure without additional tape. The white exterior offers a neat surface for writing addresses or attaching labels, and the compact size makes the envelopes economical for small items and mail-order shipments.

Suitable for

• Small electronic devices and accessories (cables, chargers, earbuds)
• Printed documents, certificates and small booklets
• Jewellery, small parts and lightweight retail items
• Samples and promotional materials requiring light cushioning

Key specifications

• Pack quantity: 10 pieces
• Inner dimensions: 120 x 215 mm
• Outer dimensions: 140 x 225 mm
• Color: White exterior
• Internal padding: Bubble film lining for shock protection
• Closure: Self-adhesive seal strip
• Material type: Padded mailer with protective bubble layer

How to use

Insert the item into the mailer so it sits within the padded area and does not protrude. Remove the protective strip from the adhesive and press the flap firmly to create a secure closure. For additional protection or tamper evidence, consider reinforcing the seal with shipping tape. Address or apply a shipping label to the exterior surface, ensuring the label adheres to the flat white outer layer.

Usage recommendations

Use these bubble mailers for single-item shipments or as inner protection inside larger parcels. Avoid overfilling beyond the listed outer dimensions to maintain sealing performance and cushioning effectiveness. For heavy or fragile items that require rigid support, use a padded box or add rigid inserts.