The ISO safety sign "Warning of Sudden Depth" is an important warning sign used in swimming pools or water bodies to indicate potential hazards. Made from laminated polyester, it offers high resistance and durability, making it ideal for indoor use. With compact dimensions of 100 mm in length and width and a height of 87 mm, the sign is easy to install and highly visible. The striking color combination of black on yellow ensures that the warning is easily perceived from a distance. This sign is not only a practical safety feature but also contributes to overall safety in swimming pools and similar facilities by warning users of sudden depths. It is an essential element for anyone responsible for ensuring the safety of individuals in water environments.