It is made of PU compound and black grain which water can ' t seep into , the synthesized layer has high physical elasticity and tensile strength .

C haracteristics:

1. Environment harmless: no social effects to pollution , i t is in the favor of environmental protection.

2. Durability : it ' s suit for all kinds of weathers and temperature range s . It maintains high quality and it can be used after raining, which increases the time availability and using frequency.

3. Shock absorbing: it can absorb the shock and reduce the injury in exercise .

4. Anti-nail: It won ' t be destroyed by nail shoes even at the starting place of 100-meter which is used most frequently.

5. Clashing absorbing: it has the high flexible layer and cushion layer, which can absorb the driving clashing without obvious damage.

6. C olor keeping: it won ' t fade and will keep the fresh color for long time.

7. Econom ic and applicable : it ' s eas y for maintenance, and it can be used several years .