1. To clean the bathtub surface, wipe using a small cloth or sponge with water after neutral detergent dissolves. Wash clean with water.
2. When cleaning the bathtub surface, do not wipe with a steel-wool pad or anything that may create scratches.
3. Do not apply force to the bathtub surface before or after bathing.
4. Do not keep water in the bathtub for a long time. (Fur sediment may form.)
5. Never use strong acid bleach type solution on the bathtub surface. (May bleach.)
6. Do not rub surface with materials such as bath wire brushes.
7. Do not press or stab the bathtub surface with sharp objects such as knives, awls, or nails.
8. Bleach, pigment, paint, and dye can change the color of the bathtub, so avoid contact.
9. Do not draw, scribble, or mark with pastel crayons, ballpoint pens, sign pens, fountain pens, ink, paint, pigment, etc. on the surface of the bathtub. May cause damage.
10. Do not rub or press the surface of the bathtub with sharp or small objects such as coins, pins, or keys, which may cause damage.
11. Do not leave solvents such as dry cleaning agents, nail lacquer removers, acetones, paints, etc. in contact with the surface of the bathtub.
12. Do not place objects on the top or inside of the bathtub. May cause cushion change or weaken elasticity.
13. Never use a solution that may stain and color the bathtub.
14. Refrain from washing blankets in the bathtub. May bring about scratches.