These lantern candle holders come with flameless decorative LED candles; Each lantern measures about 10.6 x 5.5 x 5.5 inches, and each LED candle is about 5 x 3 x 3 inches.
 
You are welcome to add greenery and/or flowers to these lanterns, but they should be removed afterwards and should not damage the lanterns. 
 
Link from Amazon HERE