Punctures are never convenient, but this is the most convenient way to mend a puncture. Saves time because you dont have to wait for the glue to dry. You can be sure of a reliable seal, because you stick the patch on when youare ready, not when you think the glue might be ready. A waterproof box containing 6 self-adhesive patches. The special adhesive was developed with 3M, resulting in a patch that will flex with the tube. Sandpaper for tube preparation included. Your lightweight and tiny trail friend.