Polyethylene Membrane: Made of high-density polyethylene materials, wear-resistant, tear-resistant and flexibile; Made of non-wove polypropylene, increasing the bonding strength between membrane and substrate, three-layers design has stronger and anti-seepage functions Reliable Protection: 0.9mm thick uncoupling membrane that effectively protects floors and walls from water damage. Prevents water from penetrating wood, tile, cement, or ceramic floors, helps maintain structural integrity of floors and walls Easy Installation and Storage: The underlayment shower membrane is easy to install, just lay it on the mixed mud, ensuring your shower floor or walls can keep dry for many years. The membrane also can be folded for easy storage, featuring highly flexibility Flexible Cutting for DIY: Our ing membrane is easy to cut . Its flexible nature allows for easy cutting and shaping, enabling seamless installation around corners, curves, and irregular ,even the corners can be taken care of This waterproof sealing tape is perfect for floor joints, wall connections, corners seams, and bathrooms, showers, kitchens, laundry rooms, balconies ,basements etc.