1. Wear resistance: PU wheel is made of polyurethane material, with high strength and durability. The trolley can bear large load and pressure by using this kind of tire, but the rubber tire is easy to wear and deform, and its bearing capacity is low.

2. Elasticity: PU wheel has good elasticity and damping effect. luggage case can provide more stable driving and more comfortable experience with this kind of tire, while rubber wheel will generate noise when it is pushed on hard ground.