This chair has been tested for domestic use and meets the requirements for safety, durability and stability set forth in the following standards: EN 12520 and EN 1022.This seating furniture is tested and complies with relevant strength and durability standards. The tests simulate typical usage of the product and are based on use by persons weighing up to 110 kg.Do not use a cleaning agent on the seat shell, because the seat shell may then be damaged. Use only water for cleaning.