【Convenient】This is a self-priming installation. During installation, press the middle of the suction cup to release air, and lock the button clockwise. (Clean the wall and wipe it before use to keep it clean and dry).【Super Suction Cup】Super suction cup, reusable design, won't slip off wall tiles. The suction cup has super flexibility and good airtightness, and has a long service life.【Easy to attach】Close the suction cup to the wall and turn the cover by hand to complete the suction cup. 'facility. After installation, pull the suction cup left and right to test. Do not turn the shower holder, otherwise the suction cup may lose its grip.【Easy to disassemble】No need to drill, no trace after disassembly. When you need to move or clean it, slide the lever up and pull it out for easy removal.