Where to use them: 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 plastic 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 strong adhesion. Easy to install and remove: The transparent rubber suction cups can be easily attached by pressing them onto a smooth surface to expel internal air. To remove, simply break the vacuum seal; no residue, drilling, or tools required. Helpful hook design: On one side, the transparent PVC suction cup features a screw-in base, allowing secure attachment of desired items. The metal screw connection provides reliable support for hanging objects. Suitable size: These nut-style suction cup replacements offer an optimal size with a large contact area for strong adhesion, while remaining compact for easy storage when not in use. Note: Measurements are manually taken; please allow 1–3 cm variation. Color may vary slightly due to lighting and screen display differences. Actual product received may differ slightly in appearance.