Review on Enhanced Performance and Convenience: Marathon 13x6.50-6/15x6.50-6 Flat-Free Quick-Seal Inner Tube! by Pauly Blake

Put this on my trailer in the yard. I use this little trailer in the yard quite a bit and have had problems with flat tires for years. The biggest problem was the "tubeless tires" that were on the trailer. You won't hold your breath year after year. Every spring, when I took the trailer out of the store to use it, the tires were flat. These tubes solved that problem. They were absolutely perfect