Warm Tips: Do not work with solar string lights. Warm Tips: Please screw bulbs in tightly. Plug in set and if any bulbs not light, tighten it further. Shatterproof Plastic Bulbs: ECOVANIA Shatterproof light bulbs are made of clear plastic, not easy to fragile, replacement bulbs for E12 outdoor and indoor sting lights, clear plastic housing are cool to touch and higher light transmittance. Energy Efficiency: 1 watt globe g40 bulbs are equivalent to 5 watts incandescent glass bulbs, 80% energy efficiency and cost reducing on your electric bill. Widely Application: ECOVANIA G40 Light Bulbs are with Candelabra Screw Base which fit E12/C7 Sockets, perfect decorative bulbs lights for indoor chandeliers, sconces and lighting fixture, and also the perfect replacement bulbs for G40 indoor and outdoor patio string lights. Ecovania Benefits: 1 Watt G40 replacement light bulbs up to 25,000hours lifespan which is durable, reducing re-lamp frequency. If you have any problem, pls contact us, we will reply you within 24 hours. G40 Led Replacement Light Bulbs, Shatterproof Clear Platic LED Globe Bulbs light for Indoor Outdoor Patio string lights, E12 or C7 Candelabra Screw Base,1 Watt Equvalent to 5 Watt Traditional Bulbs,Warm white,25Pack