Hard environmental protection suction cup, super adsorption. No need to punch, glass and ceramic tiles can be adhered, suitable for smooth and hard material surface.
Installation instructions are attached for easy installation.
1 Soak the suction cup in hot water (3-5 minutes) to soften it. 2 Wet the glass and suction cup after wiping. 3 Stick the suction cup flat until there is no air in it, and use it after standing for one day.