The safety 1st slam stopper is ideal for preventing your childs fingers from getting nipped in a closing door the slam stopper is positioned on the outer edge of the door the opposite side to your door hinge so that when the door closes it is prevented from closing fully this means that a small gap is created when the door is shut making sure fingers are not trapped the slam stopper is made using a dense yet flexible foam meaning that they can be easily fitted onto the majority of stand