1) With tiny bristle brush makes it easier to clean air holes on nipple , straw

2) Handles 360 degree rotate for quick and easy cleaning.

3) The handle bottle brush designed to be ergonomic providing ease of holding and cleaning.

4) Use Dupont Nylon brush with stainless steel shaft.

5) No rusty and no deformation under high temperature sterilization.

6) Comes with a hook on the handle to easily hang to dry after usage.