Strong adsorbability: The product has strong adsorption capacity, is stable, and is not easy to fall off after adhesion. It has strong practicability. High quality: The product is made of high-quality plastic material and has a thick texture. It can be used for a long time. Exquisite workmanship: The product has exquisite workmanship. It is round and smooth. With its firm structure, you will not hurt your hands when using it. Special: This specially designed vacuum accessory vents under pressure when attaching a vinyl pool liner. When the suction is blocked or sealed on the bottom of the pool, double safety valves can release the suction, reducing the pressure of the filter pump and preventing the suction from attracting the pool liner. Wide range of applications: The product has a wide range of applications and can be used in many places, such as swimming pools, floors, walls, etc. Use a hose to connect my product and the suction device to clean the pool Color: as shown Material: