High quality rubber, rated 8/10 when comparing with Japanese rubber wheel. The wheel is cushion, resistant to wear and tear, plus the design is very attractive.
We ordered these wheel exclusively as replacement for Thailand's JUMBO and SUMO Hand trucks. The tread is Brown ThermoPlastic Rubber, so they are guaranteed to roll smoothly and quietly. Compare to the default Black PU wheel, TPR wheel may last 2 times longer.