Upgrade your shipping presentation with these holographic metallic bubble mailers. This set includes 300 individual envelopes, making it a reliable choice for high-volume shipping needs. Each mailer measures 5 x 9 inches, offering a compact size that is perfect for smaller goods like jewelry, craft supplies, or small electronics. The holographic exterior provides a unique look that stands out, while the internal bubble lining offers the necessary padding to help protect items while they are being transported. Featuring a convenient self-seal strip, these envelopes can be closed quickly and effectively without the need for additional adhesives. The sturdy construction helps maintain the integrity of the package during handling. Whether you are operating a small business or managing personal shipping tasks, these padded envelopes offer a blend of functionality and style. Their consistent size and protective qualities ensure your shipments are handled with appropriate care as they travel to their final destination.