Orange Silicone 5 watt double pack candle light bulbs candelabra base.  Bramds vary depending on what is available.

You are looking at the popular silicone  candle light bulb  that so many lamps need to give that perfect soft orange glow.   This one is done in a  soft silicone and you are getting a package of two bulbs.  It has the candelabra base.  Bulb will last longer if left on.