This is a good thick rubber hose. I changed a tire on my farm cart; For reasons that are unclear, the new tubeless tire never fitted perfectly on the rim. I assume there is a small size difference between the supplied Chinese wheelbarrow tires and the boat trailer tires. In any case, the tire kept leaking between uses and putting it back on the rim was a pain. "Stop-Leak" was unsuccessful. After inserting a tube, it was permanently fixed. A few things if you're too young to remember tubularsβ¦