Features & Details Shower Tray 22mm: Enjoy long showers without worries of water leakage. Crafted with high-density HDPE waterproof membrane, double-layer 3M adhesive, and durable EPS board, creating a sturdy waterproof barrier. Lightweight Base Material: Opt for lightweight foamed polystyrene shower boards, not only easy to install and transport, durable and not easily damaged, but also providing excellent waterproof performance. Moreover, it's easy to cut, effortlessly creating the ideal size shower space. Slim Surround: It's the best choice for minimalist bathroom designs. Installation can be completed without a perimeter curb and mortar beds. With a slim surround, it meets daily bathroom shower waterproofing needs. Suitable for Various Floor Tiles: Suitable for showers and bathrooms, providing comprehensive and reliable waterproof protection for bathtub tiles, cement showers, or ceramic tile showers, allowing you to enjoy showering. Easy Installation: No need for mortar beds, XPS material can be easily trimmed to achieve your ideal shower tray size. Thoughtful installation instructions provided for easy shower room installation, bringing you a comfortable and convenient user experience.