Experience an unyielding display of pyrotechnic artistry with Hallmark Fireworks’ Relentless! Boasting an incredible 228 shots, propelled by 25ml diameter tubes, and featuring a commanding 1.3 firework rating, this compound firework promises an unstoppable cascade of colour and light. Elevate your celebrations with the relentless energy of this stunning masterpiece that paints the night sky in a symphony of explosions.