WEATHER PROOF: Imaashi manhole cover comes with weatherproof material that makes it comfortable and reliable. It is made of European Polymer Binding Technology. HIGH LIFE SPAN: The life span of this new generation manhole cover is high and long-lasting. It is easy to handle the manhole cover. FRP has a fiber rod inside to give it more strength to the cover and frame. It has 40 percent more life span than other covers. NON-CORROSIVE: As the material used in this cover is of good quality it makes the cover non-corrosive. This grating cover will not be eroded by rainwater or moving vehicles and comes with appropriate fitting. FREE FROM THEFT: Because of its durable and reliable size it is not possible for anyone to steal this cover. RESISTANT TO UV RAYS & CHEMICAL: PVC is resistant to the damaging effects of UV radiation, making these covers suitable for outdoor applications