1. Big conch design vintage flexible soft filament led light bulb, size is dia.133x245mm, a little bigger than normal real conch. Gold amber glass, with 300mm length filament inside around the thick glass stem.
2. The led filament quality is better and better, the CRI is more than 95 now, which is very close to incandescent bulb that is 98-100. And the optical efficiency is also better, for flexible soft led, it is about 50-60lm/W, for sapphire filament led, it is 80-120lm/W.
3. As a professional decorative vintage led bulb manufacturer, we have already designed a lot different shape glass bulb, and beautiful led filament design. We are having 3 new designs out every Month. We are welcome customer to send us their design, we will help to develop and make samples freely, we will keep the design secret from others and help customer apply for their own patent.