Equipped with 200 strong suction cups to ensure the mat sticks firmly in place. Consists of 176 drainage holes to quickly drain water and keep the mat dry and clean. The mat should only be attached to smooth and clean surfaces, not textured, tiled or matte surfaces. And the bathtub must be clean, without any dirt, stains, or oil. Made of PVC material. Easy to Clean Just throw it in the washing machine and let it air dry. Mats only stick to smooth and clean surfaces, not textured ones. Oversized Mat The oversized bath mat is designed to cover the entire tub. A powerful array of suction cups keeps the mat firmly in place on the tub or shower floor. The grip is so strong that the mat won't slide at all after being sucked off. However, it pulls up easily when it's time to clean. Fill the bathtub and start to shower, moisten the bathtub with a little water, then press the bath mat with your hands to firmly fix the suction cup on the smooth bathtub.After installation, the bath mat will not move, if the mat still moves, please repeat the above instructions or press each suction cup one by one. Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding < br> 2. Color may vary by monitor. Please understand Note: Hello, please pay attention to your delivery address when purchasing products. If your pickup information (e.g. name, street, house number, doorbell/email with no name) is incorrect, the order will not be delivered correctly. )