Excellent Material: Our suction cup is made of high-quality plastic, has a soft texture, is comfortable, won't yellow or deform easily, is strong and waterproof, has a long lifespan, and is stable. Strong Suction: The suction cup has a powerful suction design, which can be firmly attached without drilling screws or holes; simply snap the suction cup at the edge. You can then easily remove the adhesive without leaving any residue or damaging the surface. Easy to Install: Our glass suction cups are suitable for most smooth, flat, and non-porous surfaces, such as glass, tiles, mirrors, refrigerators, doors, metal, etc., allowing endless possibilities for creative projects. Wide Application: Suitable for organizing tools, attaching signs, acrylic panels, wreaths, hanging decorations, crafts, etc. Ideal for home, kitchen, bedroom, office, hotel, restaurant, and other occasions. Package contents: You will receive 10 suction cups with screws and 10 plastic nuts; designed with M4 screws and matching nuts. Simply tighten the nuts into the screws to securely and easily hang or attach objects.