A door stop (2) which comprises: (i) a hanger part (4); and (ii) a door stop part (6) which in use hangs from the hanger part (4), the door stop part (6) being such that is comprises: (iii) a first door stop formation (8) for being positioned at a hinge side (10) of a door (12), and in a gap (14) between the door (12) and a door frame (16) for the door (12); and (iv) a second door stop formation (18) for being positioned at the hinge side (10) of the door (12), and in the gap (14) between the door (12) and the door frame (16) for the door (12), and wherein: (v) the first door stop formation (8) is below the second door stop formation (18) when the door stop part (6) hangs from the hanger part (4); (vi) the first door stop formation (8) is of a first door-stopping size which stops the door (12) in a first open position at a first open angle; (vii) the second door stop formation (18) is of a second door-stopping size which stops the door (12) in a second open position at a second open angle; (viii) the first open angle is larger than the second open angle; (ix) the first open position is for use by an adult; (x) the second open position is for use by a child; (xi) the first open position is such as to cause the gap to be of a first size; (xii) the second open position is such as to cause the gap to be of a second size; and (xiii) the gap of the first size and the gap of the second size are both such that the child cannot get their fingers trapped firstly between the door (12) and the door frame (16) at the hinge side (10) of the door (12), and secondly between the door (12) and the door frame (16) at a handle side of the door (12).