Non-Sparking & Non-Toxic Glitter. 3" X 4" Pillar: 50+ Hour Burn Time! 3" X 6" Pillar: 80 Hour Burn Time! Sparkle without the safety hazards! These 3" x 4" and 3" x 6" pillar candles not only last for over 50 and 80 hours, respectively, but they're made of non-sparking, non-toxic glitter. Light up your space with peace of mind!