The product is a 12 pack of new Kraft Bubble Mailers Envelopes by Staples. These self-seal envelopes are 14 1/4″ x 19″ in size, providing a convenient and secure way for packing and shipping items. The sturdy Kraft material offers protection for your shipments while the bubble design provides cushioning to keep your items safe during transit. This product is a reliable choice for businesses and individuals looking for quality shipping solutions.