Anti-slip rubber grip surface, Help to prevent dangerous accidents especially for pregnant woman,children. large drainage holes, features quick water drain. Just hose the mat with water to clean. DIY to any sizes you want with the free interlock and free cut design. Installing is as simple as snapping the tiles together by hand. NO TOOLS REQUIRED Uses around the home, kitchen, pool, shower, pet area for dog or cat, etc. Material: PVC Dimension: 30cm x 30cm Thickness: Approx 1cm