Appropriate Size : No Flat Tire Worries Forever! That can help you push your car more easily. (Not for highway use.). Wear Proof & Explosion Proof : 10 x 3.50-4” Solid PU Run-Flat Tire Wheels are made of heavy duty pop proof and flat proof polyurethane which is wear-resistant and durable, while the wheels are made of high-quality steel.
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