in good hands
In competent or safe care. For example, I know the children are in good hands when they visit my mother. The term good hand has been used in the sense of “skill” or “ability” since the late 1300s.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.