Illuminate your tree with nostalgic bubble lights. Bulbs concealed in bases light up these bubbling red and orange "candles." Glass and heatresistant plastic. 11' strand has seven 4 1/2" H Christmas bubble lights spaced 19" apart (9' total lighted length). UL listed. Set of 3 replacement bulbs available. PLEASE NOTE: This item has been built to U.S. electronics specifications and may need additional modifications or converters to be used in countries other than the U.S. and Canada.