Size of the dam: 100 x 3 x 5 cm. Can be easily cut to the desired length. The long, flexible design allows for various shapes. The shower barrier and retention system help contain water within the threshold. Ideal for curbless showers and other areas requiring water containment. Customer Note: For optimal stability, please follow the installation instructions when installing the water retention strip. Installation steps and注意事项: (1) Clean the floor surface thoroughly and ensure it is dry. This step is very important! (2) Determine the installation position of the water retaining strip and mark it on the floor with a pen. (3) Remove the adhesive tape from the back of the strip and apply it to the floor along the marked line. (4) Use adhesive to seal the ends where the strip meets the wall. Remove any excess adhesive for a smooth finish. (5) Allow 24 hours for full curing. Avoid contact with water during this period to prevent displacement. Package includes: 1 piece (1 meter, Gray) Note: All measurements are manually taken; please allow 1–3 cm variation. Due to differences in lighting and display settings, actual color may vary slightly from the image. Product received will prevail. Delivery Quantity: As shown in the main image