Detectable bandage Metal detectable AeroPlast Detectable plasters are made with the ultimate in film technology, providing a bacterial barrier which resists the ingress of water, oil and grease. The standard plaster size is larger for even greater wound isolation. A comprehensive range of sizes ensures an AeroPlast Detectable dressing for any application with specialized fingertip, knuckle dressings, large and small patches, standard and extra wide plasters.