Glass coating agent: Glass Veil *Remaining amount as shown in the photo. This is the remaining amount after use on all water-related areas. Only unused towels and sponges will be included, so you can use it right away. If you'd like to try it, please do! It seems that the water-repellent coating lasts for 5 years just by applying it. Bathtub, water areas, sink, washbasin, new life, moving, kitchen, toilet, kitchen, bathtub, washstand