1)muti-holes design, even pressure 2)good quality ,excellent design 3)advance tailor,moulding in one,no seam **Buffer Advantage :1) protect the suspension system .2) insure the driving security, increase the comfortness for passenger3)raise up about 1-3 cm of the car body, increase the stability when the car goes through the road 4)when the car goes around the sharp corner with high speed, the ...