The Duck Kraft Bubble Mailers are high-quality, self-sealing envelopes designed for shipping and packaging. Made in the United States by the trusted brand Duck, these #0 size mailers measure 6 x 9 inches and come in a convenient lot of 24. The bubble mailers provide excellent protection for your shipments and are perfect for businesses and individuals needing reliable and efficient mailing solutions. With their durable construction and easy sealing, these mailers are a great choice for sending items securely and safely.