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 decor, or items in recreational vehicles, adding convenience to daily life. Wide applications: These PVC plastic suction cups work well on 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 strong hold. Easy to install and remove: The transparent rubber suction cups can be easily attached by pressing them onto a smooth surface and expelling the air inside. 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 threaded insert that accepts screws, allowing secure hanging of desired items. The metal screw connection provides reliable support for lightweight objects. Suitable size: These suction cup replacements are designed with an optimal size. The large contact area ensures a firm grip on surfaces, while remaining compact for easy storage when not in use. Warm note: Use clear suction cups with nuts only on smooth, non-porous surfaces such as glass, metal, ceramic tile, plastic, or laminated surfaces. Press firmly to release air beneath the cup before hanging items. Quality material: Made from high-quality PVC, these suction cups offer excellent transparency and waterproof performance. Durable and resistant to breaking or deformation, they can be reused multiple times 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.