1、Super powerful suction: Maximum bearing weight is 5kg. 2、High quality: Made of PVC + ABS material, non-toxic and durable. 3、Not harm to your wall: Adopting vacuum adsorption principle: No tool, no drilling, no screws, no removing scratches on the surface. 4、Easy Installation and removable/reusable function: Position the hook at a suitably positioned place on a smooth surface, turn the button clockwise until it will no longer rotate. 5、Widely using: Suction hooks can easily adhere to any flat surfaces,such as smooth ceramic tiles, Steel/Iron/Aluminum/acrylic Plates/Panels, refrigerator doors, indoor and outdoor window and etc. Features: Super powerful suction: Maximum bearing weight is 5kg. High quality: Made of PVC + ABS material, non-toxic and durable. Not harm to your wall: Adopting vacuum adsorption principle: No tool, no drilling, no screws, no removing scratches on the surface. Easy Installation and removable/reusable function: Position the hook at a suitably positioned place on a smooth surface, turn the button clockwise until it will no longer rotate. Widely using: Suction hooks can easily adhere to any flat surfaces,such as smooth ceramic tiles, Steel/Iron/Aluminum/acrylic Plates/Panels, refrigerator doors, indoor and outdoor window and etc. Specification: Material: PVC + ABS Color: White Size: 8 x 6.2 x 5 cm / 3.15 x 2.44 x 1.97 inch (appr.) Package List: 2 x Hook