1. 300mm mirror front led bulb is diameter 30mm and 300mm length, 255mm flexible soft led filament is in a “line” design inside the tube, two pieces of s14 lamp base is at the two end of the tube mirror front led bulb. It is 3W rated and 160lm light output with clear glass. Individual foam and box packing, safe shipping. We have Led mirror front lamp 300mm, 500mm and 1000mm, there are s14s and s14d.