This product is a pack of 100 clear self-seal label pouches in various sizes: 4.5×5.5, 7.5×5.5, and 6×9 inches. These versatile envelopes are perfect for packing and shipping items securely. The self-seal label makes them easy to use, ensuring your packages are sealed tightly for safe delivery. With a range of sizes to choose from, these packing list envelopes are ideal for a variety of business and industrial applications.