A urinal assembly comprising a body comprising a bottom wall, front and back walls, first and second side walls bridging the front and back walls, an open mouth positioned generally opposite the bottom wall, and an attachment feature positioned proximate to the open mouth. The attachment feature includes outer and inner edges and an opening defined by the inner edge. The urinal assembly further comprises a lid including a lid portion and a strap having a fastener positioned at a distal end. The fastener includes a central portion positioned between first and second arms. Each of the first and second arms has a first end coupled to the central portion and a second end positioned a distance away from the central portion. The first and second arms extend through the opening such that the first and second free ends of the arms abut the inner edge of the attachment feature.