A small, noninvasive, closed-ended attachment not designed according to ISO 80369 (non-ISO80369-standardized) intended to cover and close off (cap/plug) a luminal device associated with management of fluids (e.g., urological catheter, administration set, bag access spike). It is designed with a connection that is typically barbed, bayonet, collet, conical, threaded and/or non-Luer-slip; it is not intended to be used with respiratory or surgical equipment. This is a single-use device.