The cookware range for individualists. Compared with traditional cookware ranges, Function 4 provides 4 additional functions by variation of the lid position. The pot lid features a silicone ring which allows for putting on the lid without sound. The pot lid has 4 different pouring holes: pour out fully, large sieve opening, small sieve opening, and closed. The icons for the exact lid positioning are found on the metal ring. Every pot of the cookware range Function 4 features an inside scale.