You will receive 8 heavy-duty suction cups with M6 x 14 threaded screws. Each suction cup has a diameter of 2 inches/51mm and has a thickened edge design to enhance suction and strength to meet a variety of daily needs. These suction cup pads are made of transparent PVC material, which is soft and thick, providing better suction. They can be easily fixed on smooth surfaces and remain firm, ensuring that the decorations are hung safely and worry-free. The window suction cup screws and threads are made of metal and can be used freely in the bathroom and outdoors without rusting. The design of the screws and nuts enhances the convenience of installation and removal You only need to make sure the surface and thickened suction cups are clean, press to adhere, and then tighten the nut to complete the installation. This simple operation saves time and effort and is suitable for any user. These large suction cups are suitable for most smooth surfaces such as glass, acrylic, metal, tiles, and car windshields. They are suitable for use in many occasions such as bathrooms, windows, offices, cars, etc. Colour:As Shown Material:PVC Package Contents: 1set x clear suction cup hooks for windows Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.