After 6 months of research in stores and on sites, I finally found the perfect product that holds with suckers and NOT RUST !! (Fed up with expensive produce stainless and still end up rusting) The suction cups lock system works well (remains to be seen over time). It is easy to put 4 or 5 vials, and can rinse with water (the fund has holes for the flow of water). If he remains on the wall without moving, I buy a second to put all my bottles.