These pillars have fluted sides that give a lovely texture. They have a long burn time, and as the flame moves down the candle, it creates an almost concave appearance. … Modest Fluted Pillar Dimensions: height 12 cm x 5.5 cm at widest point Burn Time: 32 hours … Grand Fluted Pillar. Dimensions: height 15 cm x 8.5 cm at widest point Burn Time: 60 hours … Suggestions for this specific candle + optimal burn: On the first burn; at least burn it until it reaches the edge. Don’t burn for longer than four hours at one time. If it appearance it’s going to break through the side wall blow out and allow to cool before relighting.