GE saf-t-gard bulbs feature a protective Teflon coating that helps contain glass fragments if broken. Designed with heavy-duty, all-weather construction, these bulbs protect against shattering, rain breakage and splatter from oil and lubricants. GE saf-t-gard bulbs are perfect for home use in kitchens, basements garages, workshops and enclosed exterior fixtures. Designed with a unique all-weather construction, they withstand harsh weather conditions better than regular bulbsShatter Resistant Bulb - Protective coating helps contain glass fragments if brokenLasts twice as long as regular decorative bulbsLasts 2.7 years based on 3 hours per day usageFlame tip shape with medium base for use in rough service applications