- **Size & Material**: Each pack contains 30 lined mailers measuring 12.9 x 9.2 inches (usable size: 11 x 8.5 inches). Made from durable opaque teal poly film. - **Shipping Protection**: Constructed with five layers of polyethylene sheets, these envelopes are designed to prevent folding and bending, ensuring your items remain in pristine condition during transit. The padded design offers superior protection for all shipments. - **Self-Adhesive Seal**: The fold-over flap features a robust sticky adhesive. Once sealed, the envelope cannot be reopened without showing clear signs of tampering, providing peace of mind for your deliveries. - **Durability Features**: Our poly bubble mailers are waterproof, dustproof, and shockproof. They resist punctures and tears, guaranteeing that your shipments arrive safely and securely. - **Practical Applications**: Ideal for sending documents, photos, jewelry, or small electronics. Perfect for online sellers, home businesses, or personal use, ensuring your packages are protected and professional-looking. - **Compatibility**: Designed to accommodate standard letter and document sizes, making them suitable for a variety of mailing needs. These mailers combine functionality and durability, making them a reliable choice for your shipping requirements.