It is our Patented Color Flame Candles, we have got PCT Patent Rights, US Invention Patent Rights, China Patent Rights, as well as the Copyright and International Trademark. Our Color Flame Candles can burn with six brilliant colorful flames, such as Red, Yellow, Orange, Green, Pink, Blue. There is No Smoke, No Dripping, Non Toxic while burning, and they can be lighted up indoors and outdoors. Our Color Flame Candles have passed the test by TUV, BV and SGS lab, and we have also got LFGB report, EN15493&EN15494 report, BV, SGS, and EN71 Test Report, CE Certificate. You can know more about our Color Flame Candles at our website www.colorflame.cn or www.brighten666.com