Where to use: These large suction cups can be used to attach signs, decorations, toasters, shower trays, rattan furniture, towel racks, small lights, home decor, 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 metal insert, allowing secure attachment of items. The metal screw connection provides reliable holding strength for hanging needs.Suitable size: These 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; allow 13 cm variation. Color may vary slightly due to lighting and screen display differences. Actual product may differ slightly in appearance.