EASY TO CLEAN 1.Bath cushion washable by hand or in the washing machine. 2.Use the hook to hang the cushion. 3.Follow the instructions for putting it on and taking it off the bath. 4.We strongly recommend that you rinse the bath pillow after each bath and hang it up in a well ventilated area. What is 4D Air Mesh Technology 4D Air Mesh Technology is an improved version of 3D technology that allows water and air to easily enter these holes for quick drying, allowing breathability and ventilation. The soft polyester material has good elasticity, so it won't get deformed as time goes by. How to use this bath cushion: 1. Before installation, clean and dry the tub thoroughly with a clean cloth for better suction cup performance. 2.When attaching the suction cups, you need to press the points on the front of the suction cup to ensure that they fit snugly. 3. Please keep hairpins, necklaces, bracelets, razors, scissors, nail clippers and other sharp objects away from the bath pillow. 4. Do