Silicone Light Bulb Cover – Purple – Each. Fits 1156 and 1157 Bulb Size. Large – Approximately 31mm tall, widest width ~27mm, base width ~19mm. Changes color of clear bulbs to Purple. Slips over clear bulbs, will not burn like Plastic Covers. Not all colors are legal for street use. Show use only. Will also fit on 3156 and 3157 bulbs. Sold individually.