“Laken” means woollen fabric or cloth. Weaving became the main economy for Leiden in the 17th century and the city became the working center. The city was populated due to the availability of works in the weaving industry. During the Dutch Golden Age, Leiden cloth was imported via Amsterdam, made quality cloth, national uniforms and the process was carried out by people of all ages of the city, from as young as 4 years old to and old person. To secure the quality of products which was the prestige of the city, they built the Lakenhal in 1641.