This product is a pack of 50 silver courier poly bags, each measuring 12x16 inches with an additional 2 inch space. These bags are perfect for shipping and mailing items securely. They are made of high-quality materials and are durable enough to withstand the rigors of shipping. The bags are easy to use and come with a self-sealing adhesive strip. They are ideal for businesses or individuals who need to ship items frequently. The silver color adds a touch of elegance to the packaging. These bags are a great choice for anyone looking for a reliable and cost-effective shipping solution.