Swimline s Heavy-duty Protective Ladder Mat / Pool Step Pads act as a barrier to keep your liner safe from ladder scuffing and standard wear-and-tear. Waste no time with this product - installation is easy! Simply lay your mat on your pool floor surface under your ladder and let the padding do the rest. The mats innovative ribbed base construction ensures that your pad will not float away after installation. Built with heavy duty PVC material Swimline s ladder mats are built to last in your pool for seasons to come.