Where to use: These large suction cups can be used to attach signs, decorations, toasters, shower trays, rattan furniture, towel racks, small lights, home decorations, or items in recreational vehicles, adding convenience to daily life. Wide applications: These PVC suction cups are suitable for various smooth and clean surfaces such as glass, windows, mirrors, car doors, refrigerators, and bathroom walls. Simply clean the surface before use to ensure a secure attachment. Easy to install and remove: The transparent rubber suction cups can be easily mounted by pressing them onto a smooth surface and expelling the air inside. To remove, simply break the vacuum seal without leaving marks, drilling holes, or using tools. Helpful hook design: On one side, the transparent PVC suction cup features a threaded insert that allows for screw attachment. This metal screw connection provides a secure hold for hanging items with confidence. Suitable size: These suction cup replacements are designed with an optimal size. The large contact area ensures strong adhesion, while the compact design allows for easy storage when not in use. Warm note: Use the clear suction cups with nuts only on smooth surfaces such as glass, metal, ceramic tile, plastic, or laminate. Press the cup firmly to release air and create a vacuum before hanging items. Quality material: Made from durable PVC, these suction cups offer high transparency and waterproof performance. They are resistant to breaking and deformation, allowing for repeated use and long-term reliability under normal conditions. Material: PVC Color: Clear Size: As shown in picture Package includes: 12 x Suction cups with nuts Note: Manual measurement may result in slight size variations. Color may vary slightly due to screen display differences. Contains small parts – keep away from children.