25mm mushroom patch. diameter to repair cuts and holes that do not plug the tubeless fluid.It is necessary to disassemble the cover since it is mounted from the inside to the outside, and to clean and dry the gluing area.Does not include glue. 25mm mushroom patch. diameter to repair cuts and holes that do not plug the tubeless fluid.It is necessary to disassemble the cover since it is mounted from the inside to the outside, and to clean and dry the gluing area.Does not include glue.