JAL trays are made from SS 304 or Brass, which are highly rust-resistant. However, regular cleaning is required to prevent salt/limescale deposits that can look like rust.
Yes. Since they are drilled and screwed into the wall (not suction cups), they can easily support the weight of multiple large 1-liter shampoo bottles.
The open wire design is easy to clean. Simply spray with warm water and wipe. Use an old toothbrush to clean the intersection points of the wires if dirt accumulates.
It requires drilling into tiles. We recommend a professional installer to ensure they don’t crack your tiles while drilling the mounting holes.