VELON ESPERANZA TRIANA BASIC The Trinidad Ritual-Premium candles have a protective plastic cover, they are designed to be burned inside the cover, yes, to burn inside the cover, fully complying with the European CE regulations for their use. By not using glass, we avoid, depending on the use you make of this product, the danger it poses to you and your loved ones in the event of breakage. -It is recommended that when using it, it be placed on top of a fireproof surface and be extremely vigilant about it, as with any type of flame.