describeDam dimensions: 100 x 3 x 4.8 cm. It can be easily cut to the length you need.Long, flexible design creates a variety of shapes.A shower barrier and retention system keeps water within the threshold.Ideal for frameless showers and other areas where water retention is desired.Customer Note: To make the product more stable, please follow the installation instructions to install the water retaining strip.Installation steps and precautions:(1) First, please clean the floor thoroughly and keep it dry. This step is very important!(2) Next, determine the installation position of the water retaining strip, and then mark it on the ground with a pen.(3) Tear off the tape on the back of the water retaining strip, and stick it on the ground according to the previously marked position.(4) Then use glue to fill and seal the place where the two ends of the tape touch the wall, and remove the excess glue to make the contact smooth.(5) Finally, to prevent falling off, please dry it within 24 hours and avoid contact with water.Shipping Quantity: 1 piece (1 meter, white)