For simple and economical control of fluorescent lighting, Rosco Fluorescent Sleeves can add virtually any color to your fluorescent lighting and protects against the dangers of lamp breakage by containing the shattered glass. There are three types of sleeve.- RoscoSleeves combine a gel color filter with a clear polycarbonate tube. - ChromaSleeves are colored polycarbonate tubes in a select range of standard colors.- Quick color sleeves are non rigid tubes made from color filter gel.