These 12x12 inch interlocking deck tiles are made of premium plastic that is weather resistant and built to last without warping rotting cracking swelling or mildew under normal conditions. The four slat design with drainage gaps improves water runoff and airflow, helping reduce standing water and slip risk while keeping the surface drier. A click lock interlocking base enables fast tool free installation and easy removal for cleaning underneath, and the tiles can be cut to fit around corners or poles. Ideal for balconies patios porches backyards poolside areas and even bathrooms on hard surfaces.