An adjustable breakaway neck noose for retaining an end of a cylindrical container comprising a flexible cord of a predetermined length having an exterior surface of a woven material and having a first end and a second end which can form a noose therebetween. A holder is incorporated for holding the end of the cylindrical container having a top surface defining a raised tab and a hole transversely defined therethrough of sufficient size to receive the first and second ends of the cord, yet frictionally engage the exterior surface of the cord. The holder can be positioned along a locus of points along the length of cord so as to change the size of the noose. A bottom surface of the holder defines a cup with interior cylindrical walls sized to receive and frictionally engage the end of a cylindrical container. A clip is incorporated for clipping the first and second ends of the cord together and frictionally holding the first and second ends of the cord. The clip releases the ends of the cords when a predetermined amount of tension above one pound is exerted between the clip and the cord.