The water bag (ballast) is an additional water tank used to add weight (stabilize) to the pole mounting bases. The water bag is intended primarily for use with a cross base or metal base. After filling with water, it has a weight of approximately 10 kg, effectively stabilizing the pole base. It is particularly used for exposure to higher wind speeds and high poles. The product has a dimensions of Ø 50cm and a weight of 0.5 kg.