
Put them in a standard candelabra light and they all sparkle. The lamp is designed for light bulbs up to 40W, so no problem with that. They are not dimmable - so no problem. Exchange for bulbs from another manufacturer - no problem. Really bad quality control of this product. Update: The seller company will of course email you if you write a negative review. They emailed me twice - both times telling me the bulbs could be "cut off the chain in various places" and with a ridiculous request I sent them videos or photos of the bulbs. (How do I send a photo of flickering lightbulbs?) I've never had a problem with the lightbulbs or fixtures in question. There are much better products out there.

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