... bright color 2.cold/hot resistant, 3.anti-impact/cras parking block1. One time forming, cold resistant, hot resistant, anti ... water in it ,the buffer elasticity will be better, without the water, it can be moved easily. 2. With ... water in it, the buffer elasticity will be better, without the water, it can be moved easily. plastic traffic ... : Our production shop:Our Macao Stadium: hot sale parking block