The Coolpkg PBM #000 Poly Bubble Mailers are white padded envelopes designed for shipping. These self-sealing bags are made of 100% recyclable poly material and are produced in the United States. With a unit quantity of 200, these mailers offer a convenient and eco-friendly way to package and ship small to medium-sized items. The padded design ensures that items are well-protected during transit, making them a reliable choice for businesses and individuals looking for efficient and secure shipping solutions.