MegaBOOM - Steel Target System, Stainless Steel base DURABLE: made of 14 gauge stainless steel BIG BOOM: when bottle is hit, be ready for a boom of up to 150 decibels COMPATIBLE: use with most standard plastic bottles EASY TO USE: simply pressurize the bottle on the base, stand back, shoot and enjoy the explosion VERSATILE: shoot with an arrow, bullet, or pellet for an unbelievably large boom