An adjustable window grill comprises a first frame member comprising two arms and a base and a second frame member comprising a base and two hollow arms telescopically slidable over the arms of the first frame member. The first frame member has a mesh attached, which extends beyond it and which is received in slots in the inside walls of the arms and the inside and outside walls of the base of the second frame member. A plush fabric is attached to the outer surface of the arms of the first frame.