SIZE: small---62*50mm,large---65*230mm Powerful Suction (Built-in Strong Glue): Super load-bearing capacity, adsorption force greater than conventional suction cups, suction cups use vacuum locking ring, effectively prevent the suction cup from releasing air pressure due to the tension, securely lock the vacuum. High quality material: sufficient suction handle is made of ABS material, very durable, can be used in bathroom and other humid environment. Principle: place it on the surface and press the safety lock switch, unaffected by water vapor and the wall towards the pond, firmly locked. Application scenario: for glass, tiles, glass mirrors, patterned tiles, frosted glass, cladding wood fingers, etc., is less than 1mm convex convex. Hole-free installation: compared to traditional door handles, you just need to place the suction cup handles on surface of the door, lock them securely or use them to hang other objects.