(1) Main materials: fire retardant paper and bamboo， and a fuel cell.(2) Lantern size: a. The diameter of the opening (bottom): about 11.8 inches (30cm) b. Height (bottom to the top): about 31.5 inches (80com)(3) Weight: 50g/pcs (including the fuel)(4) Fuel duration: 10-15 minutes (depends on the wind)(5) Colors: purple， red， green， orange， blue， yellow and pink. (Randomly shipped)(6) High quality and colorful. Perfect for wedding and parties no matter day or night.(7) A thin wire in the middle of the bottom to hold the fuel cell tightly.