This listing features a set of four 7″ x 4″ Kraft Bubble Mailers Envelopes, perfect for protecting your packages during shipping. The envelopes are made of high-quality kraft material and lined with bubble lining for added protection. The exterior size of these envelopes is 4″ x 7.25″, making them a great choice for various business and industrial applications. They are ideal for use in packing and shipping, especially for items that require extra protection. Get your hands on these durable and reliable envelopes today and keep your packages safe during transport.