Non-slip concave and convex surface lines can effectively reduce the chance of slipping on all kinds of slippery surfaces for the whole family. Send you a scraper as bonus which can help you press the strip to ensure strong adhesiveness or remove the stripe. Anti slip strips with strong adhesive can be easily attached to the smooth surface and remain in place. If you want to remove it, it will not damage the surface or leave residue. Suitable for using in showers, bathtubs, swimming pools, stairs, treads and much more. Please make sure the surface is clean and dry before applying the strips for best results.