This fire diabolo is of very good quality. The fire diabolo has more protection than others, it can tolerate more if dropped. It is and remains an aluminum diabolo, if it falls on concrete or another hard surface, it can get dented. Always be careful with it. Per Unit. Ø 110 mm • Width: 101 mm • Weight: 373 gr Attention! The use of fire remains dangerous, safety is more important than the effects. Using a fire diabolo is unpredictable if it falls. Always make sure to use it in a safe environment. Shake the diabolo before use so that it does NOT drip again. The diabolo gets hot during use with fire, make sure you put it on a non-flammable surface after use.