Light the wick and Voffi will soon become a hot dog. He does not bark but he still might frighten the mailman away. The dimensions of a Voffi candle are: 7 x 2.7 x 5.9 inches (18 x 7 x 15 cm). Each candle should have a burning time of approximately 20 hours. Materials: Paraffin wax, cotton wick and aluminium.