This shipping mailer tube is perfect for sending items safely through the mail. Measuring 18 inches in length with a 2 1/2 inch inner diameter, it can easily fit a variety of items. The tube is made of durable materials to ensure that it withstands the rigors of shipping, giving you peace of mind that your items will arrive safely at their destination. This pack includes four mailer tubes, making it convenient for you to send multiple items at once. The Staples brand ensures a high-quality product that you can trust. Use these mailer tubes for your business or personal shipping needs and rest assured that your items will be protected.