Its on the underside fo each bar. If anything ever happens to them, I completely plan on buying more. I have been an a wireless headset hunt and finally thought I found the ones but for this to happen is unacceptable. If you kick it off with gusto, it?ll fly 18? due to the heavy and thick rubber/plastic bottom. However, the "leather" sole is paper thin and can even be seen through. The rubber material is squishy so will take impact if dropped. Saved me from spending loads of money on a truck bed bike carrier! Use it in the shower to hold facecloths, pumice stone. I personally like the straps loose fitting and these don?t give me much to work with. Urbanfind is the best quality compared to my Teva, though, the Teva is costly, wears out in months, fits perfect at size 10.