1. [y guaranteed]: This non -slip staircase edge trim protects high friction and prevents sliding even when wet. They also cover the sharp edges of the ladder for extra . Perfect for the of children, pregnant women, elderly, patients and pets. 100 % fading, waterproof and flame resistant. Suitable for all weather conditions. Dimensions: 60mm25mm3mm 3. [self -adhesive]: No tape or glue is required for installation. Already equipped with an ultra powerful adhesive to keep your stairs firmly. Wood, tiles, concrete, metal and so on. Perfect for. Measure the length of your stairs and cut it to fit the stairs back. Apply the adhesive film and stick to the stairs surface. Press tightly to provide enough adhesion Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.