Feature: 1. Good Protection: These tubes are perfect for storage and transportation. These kraft paper tubes with lids protect valuables and prevent unnecessary damage. With this set of poster tubes, you won't have to worry about creases, wrinkles and unnecessary damage to your documents. 2. Sturdy and Damage Free: These tubes are spiral wound and manufactured so they won't bend or damage the product. From start to finish, these heavy duty kraft mailing tubes help keep rolled materials safe during transportation. 3. Reuse and Recycling: These shipping supplies are made of premium brown kraft cardboard with white snap on lids. Ultra strong spiral wound construction for durability. These mailing tubes are made with a 3 ply spiral wound construction that resists bending, flattening or wrinkling to keep the paper in pristine condition. Tubes are reusable and recyclable. 4. Safety Caps: White end caps for tight sealing at both ends of the tube. White end caps (supplied) snap into place to secure contents. 5. Multipurpose: Kraft mailing tubes are perfect for document storage or mailing Use this set of shipping tubes to transport and protect your valuable artwork, posters, blueprints, graphics and charts. Specification: Item Type: Poster Tubes Product Material: Kraft Paper, Plastic. Package List: 12 x Poster Tubes