- To install the hook, make sure the surface is clean, dry, free of dust and oil. Wipe it dry before installation. - Tear off the back of the protective film and do not touch the adhesive with your fingers. Stick to the winged surface and press carefully to avoid bubbles. - It is recommended to give the hook 12 hours to cure before hanging items on it. - If you want to remove the hook from the surface, heat with a hairdryer and slowly remove the hook from the side, avoiding leaving marks. - It is not recommended to use the hook for hanging dangerous or valuable items. - It is not recommended to use the hook on painted walls. Typically, on a smooth tile surface, the hook can withstand up to 6 kg, but for long-term storage it is recommended not to exceed a weight of 4 kg. Product Information: Material: transparent PC and quality stainless steel. Packing: 1 set, 8 hooks. Dimensions: 2.36 inches * 2.36 inches.