【High -quality】This cannon model is made of 304 stainless steel material, and the barrel is equipped with a buffering sliding spring, which can provide pressure relief. 【Stainless steel quick connector】This firecracker cannon is equipped with a stainless steel quick connector at the back, which makes it easy to place the firecracker inside, and the firing line can extend out through the hole at the back. 【Firecracker setting off artifact】This cannon enhances the fun of setting off firecrackers, and the model of the cannon is more interesting. 【Recommended usage】This cannon is more suitable for setting off dual sound firecrackers.When using it, do not aim it at people, aim it at open areas where there are no combustibles, and pay attention to safety. 【Size introduction】The cannon has a caliber of 16mm and is suitable for firecrackers with a diameter less than 15mm； Length: 14 inches, Width: 6.4 inches, Height: 6.4 inches, Weight: 3.6 pounds