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The NUK Size Concept

Optimal adaption to every stage of life

NUK has the right size of teat for every age group and every type of food. For soothers and teats should adapt to the mouth at every stage of life and, with that, to the development of the child’s jaw. Our researchers and developers found out how a child’s palate changes between 0 and 36 months and developed teat sizes for two different age groups.

The NUK Size System provides two different teat sizes with different hole sizes for different foods: Size 1 from 0-6 months old and Size 2 from 6-18 months old. The hole sizes S, M and L are, in order, ideal for breast milk, formula and puree (and reflux formula).

The NUK soother sizes are; Size 0 (0-2 months), Size 1 (0-6 months), Size 2 (6-18 months) and  Size 3 (18-36 months) refer to all of our Soothers.