Small: Size: 3.5″ x 3.5″ Ideal to burn for 2 hr+/session Burn Time (hrs): 90-110
Medium: Size: 3.5″ x 5.0″ Ideal to burn for 2 hr+/session Burn Time (hrs): 220-240
Large: Size: 3.5″ x 8.5″ Ideal to burn for 2 hr+/session Burn Time (hrs): 350-370
Large: Size: 4.5″ x 5.0″ Burn Time (hrs): 400-500