- Durable and Tear-Resistant: Our bubble mailers feature a robust surface that stands up to sharp, heavy, or irregularly shaped items, offering a reliable alternative to paper envelopes that can tear during transit. Made from multi-layer polyethylene films, they provide exceptional protection for your shipments. - Eye-Catching Royal Mail Size: These padded envelopes add a vibrant touch to your mail, distinguishing themselves from standard envelopes. Your customers will appreciate receiving their items in these attractive mailers, enhancing their unboxing experience. Lightweight design ensures cost-effective shipping. - Secure Self-Adhesive Seal: Each black poly mailer comes equipped with a tamper-evident self-adhesive seal. Once sealed, the envelopes cannot be reopened without visible signs of tampering, providing peace of mind. The smooth surface makes it easy to affix stamps and address labels. - Versatile Use Cases: Perfect for shipping a variety of items, including cosmetics, artwork, fashion accessories, jewelry, medications, seeds, and bulbs. The ample padding ensures fragile items remain protected during transit. The laminated top facilitates easy application of self-adhesive stamps and address labels. - Key Attributes: - Material: Multi-layer polyethylene for enhanced durability - Size: Royal Mail large letter size for versatile shipping - Function: Lightweight, tear-resistant, and secure for reliable shipping - Compatibility: Suitable for various items, ensuring safe delivery Choose our bubble mailers for a practical, secure, and visually appealing shipping solution that enhances your customers' experience while ensuring their items arrive safely.