A leather bag, makes a slight clinking when jostled.
As long as a character with this bag has the knowledge to use it, he is never at any penalty to Healing or Knowledge(Medicine) rolls due to lack of supplies.
The medical bag is a simple, sturdy leather satchel. It folds open to reveal many straps & twine hooks, all holding in place immaculately cleaned & shining medical tools. Scalpels, syringes, scissors, & saws are counted among the implements.