DURABLE - Made from 100% post-consumer high-density polyethylene (HDPE), our water barrier is designed to withstand the test of time. It's strong enough to resist root penetration, yet flexible enough to be cut to your required size and used effectively. VERSATILE USE - Whether you're looking to protect your hardscapes and landscapes from subterranean water movement or prevent the unwanted spread of bamboo and other invasive grass, this versatile bamboo barrier has got you covered. EASY INSTALLATION - Don't worry about complicated installation processes. This water barrier is easy to install and can be cut to your desired size with a knife. Plus, it can be joined vertically or horizontally with sealant tape for added convenience.