- Extra strong reusable suction cup prevents slipping on wall tiles and the shower head holder supports up to 5 kg. - Material: ABS holder and PVC suction cup; durable, rustproof, not easily broken. Moisture resistant, waterproof, and built for a long life. - Suction cup diameter is 7 cm with superior flexibility and a good airtight seal. Moisture resistant and waterproof for long life. The suction cup shower holder can be easily removed in seconds and placed elsewhere for your wife, children, or parents if someone cannot reach the shower. - No drilling required. To install, remove the shower head holder from the left marking, clean and dry the smooth surface, and press onto the holder. During installation, press firmly on the center of the suction cup to expel air, and lock the knob clockwise. - Use scenarios: ideal for households with children or elderly family members who need easier access to the shower. Great for rental homes or shared bathrooms where drilling is not allowed, since it can be relocated in seconds. Useful when reorganizing bathroom setup for different users or moving the holder between rooms.