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£ 215.00 £ 499.99
Bring unstoppable energy to your celebration with Relentless by Hallmark Fireworks, a high-octane 228-shot compound firework that lives up to its name. Loaded with an incredible 3468g of NEC powder weight, this fast-paced showstopper delivers non-stop action from the first ignition to the final sky-filling burst. To add even more value, every purchase includes a FREE pack of Tril-OG Rockets – the UK’s favourite rockets for huge palms with coloured tips.
From the outset, Relentless launches a perfectly synchronised sequence of multi-level shots that create a professional-quality display. Expect dazzling brocades, glittering palms, vibrant stars, strobes, crackles, and thunderous reports – all choreographed to build excitement and intensity. Its sheer pace and variety of effects ensure a visually stunning performance that keeps spectators hooked throughout.
As one of Hallmark’s best-selling compounds year after year, this firework has earned a reputation for delivering both scale and spectacle. Perfect for Bonfire Night, New Year’s Eve, weddings, milestone birthdays, and large outdoor events, Relentless guarantees a display that rivals professional shows.
✨ Key Features:
228-shot compound firework by Hallmark Fireworks
Massive 3468g NEC powder weight
FREE pack of Tril-OG Rockets included
Multi-level shots for maximum sky coverage
Mixed effects: brocades, palms, strobes, crackle & vibrant colours
Fast-paced, high-energy performance
Perfect for Bonfire Night, New Year’s Eve & large celebrations
🎆 Why Choose This Firework?
Choose this display if you want a high-speed, sky-filling compound that never lets up. Since it combines huge powder weight with 228 synchronised shots, it guarantees a relentless barrage of colour, sound, and light. When you buy fireworks online in the UK, Relentless by Hallmark Fireworks remains one of the most reliable crowd-pleasers.
13 in stock
228
High Noise
25m
95s
1.3G
3468.4g
Bring unstoppable energy to your celebration with Relentless by Hallmark Fireworks, a high-octane 228-shot compound firework that lives up to its name. Loaded with an incredible 3468g of NEC powder weight, this fast-paced showstopper delivers non-stop action from the first ignition to the final sky-filling burst. To add even more value, every purchase includes a FREE pack of Tril-OG Rockets – the UK’s favourite rockets for huge palms with coloured tips.
From the outset, Relentless launches a perfectly synchronised sequence of multi-level shots that create a professional-quality display. Expect dazzling brocades, glittering palms, vibrant stars, strobes, crackles, and thunderous reports – all choreographed to build excitement and intensity. Its sheer pace and variety of effects ensure a visually stunning performance that keeps spectators hooked throughout.
As one of Hallmark’s best-selling compounds year after year, this firework has earned a reputation for delivering both scale and spectacle. Perfect for Bonfire Night, New Year’s Eve, weddings, milestone birthdays, and large outdoor events, Relentless guarantees a display that rivals professional shows.
✨ Key Features:
228-shot compound firework by Hallmark Fireworks
Massive 3468g NEC powder weight
FREE pack of Tril-OG Rockets included
Multi-level shots for maximum sky coverage
Mixed effects: brocades, palms, strobes, crackle & vibrant colours
Fast-paced, high-energy performance
Perfect for Bonfire Night, New Year’s Eve & large celebrations
🎆 Why Choose This Firework?
Choose this display if you want a high-speed, sky-filling compound that never lets up. Since it combines huge powder weight with 228 synchronised shots, it guarantees a relentless barrage of colour, sound, and light. When you buy fireworks online in the UK, Relentless by Hallmark Fireworks remains one of the most reliable crowd-pleasers.
