This pack of shipping envelopes is perfect for anyone looking to send out items in a secure and reliable manner. The envelopes are made of polyethylene material which makes them 100% recyclable. They come in a variety of sizes, ranging from 6″x9″ to 12″x15.5″, and are suitable for a range of items such as clothing, books, CDs/DVDs, cosmetics, and jewelry.The envelopes feature a self-sealing mechanism which makes it easy to pack and seal items quickly. They come in a simple white and gray color and have a bag and envelope shape. These shipping envelopes are perfect for anyone looking for an affordable and eco-friendly way to send out their items.