You receive 8 heavy-duty suction cups with M6 x 14 threaded screws. Each suction cup has a diameter of 2 inches / 51mm and features a thickened edge design to enhance suction and strength for various applications. These suction cup pads are made of transparent PVC material, which is soft and thick, providing better adhesion. They can be easily attached to smooth surfaces and remain securely fixed, ensuring items are hung safely. The suction cup screws and threads are made of metal, suitable for use in bathrooms and outdoor environments without rusting. The screw and nut design enhances ease of installation and removal. To install, ensure the surface and suction cup are clean, press firmly to adhere, then tighten the nut. This simple process saves time and effort and is suitable for all users. These large suction cups work on most smooth surfaces such as glass, acrylic, metal, tiles, and car windshields. Ideal for use in bathrooms, offices, cars, and more. Color: As Shown Material: PVC Package Contents: 1 set x clear suction cup hooks Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3cm.