The 25 #2 Duck Poly Bubble Mailers are 8.5″ x 11″ padded envelopes designed for shipping and mailing purposes. With a brand known as Duck, these mailing envelopes feature a padded interior for added protection during transit. The exterior size of 8.5” x 11” provides ample space to securely package various items. Ideal for businesses and individuals looking for reliable and durable packaging solutions, these bubble mailers offer a convenient and efficient way to send mail or packages.