Relentless by Hallmark Fireworks (FREE Tril-OG Rockets)

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.