[Material] Flexible Gutter Downspout Extensions is made of ABS injection molding, rigid and will not tear or crack. "Flexible/Moldable Pipes" are made of high-quality polypropylene pipes and have excellent flexibility, so they are durable, UV-resistant, thickened, frost-proof and explosion-proof, kinked-free and damage-free. Make it easy to extend the extension tube and extend the discharge distance. [Foundation Protection] Damaged rainwater should be removed from the foundation using a drain chute extension. The length of the downspout can be easily extended from 53-152CM to transfer rainwater to where you want it and prevent damage to your foundation. [Flexible Change of Use] The flexible design of the waterfall's expansion and contraction is easy to bend and maintain the shape, while its corrugated design allows it to be buried underground, connected and bent to expand, suitable for the complex environment outside your home. [Compatible and Easy to Install] This telescopic drain