【material】This is a new high quality stainless steel lock with aluminum alloy core. This glass window lock is only suitable for the thickness of the glass door from 10mm to 12mm. Please check the thickness of your glass door. More suitable for bathroom glass doors. 【Easy to install and remove】This glass door lock is very easy to install and also very easy to remove if you want to change to another door. Each of the pieces fits perfectly with the glass so there is no need to tighten the screws. With rubber, the pieces do not move and although they are moved by force, it is not possible to separate them. 【operating mode】Loosen the screws to achieve a freer opening of the lock. Then place pads between the lock walls and the glass to apply pressure and brake. Once the lock is installed by pressing on the glass, do not forget to tighten the screws. Finally, fill the edges with white or transparent silicone for the final seal. 【Wide range of applications】This bathroom privacy lock is