Changing room!

A changing room is a room or area designated for changing clothes. Changing rooms are provided in a semi-public situation to enable people to change clothes in privacy. Changing rooms usually contain lockers in which people can store clothing. - Translated from the Dutch version of Wikipedia -

The main function of a changing room is to provide an area where people can change clothes. In practice, they contain more than just lockers. You can find all the types of lockers you can use in a changing room here: