Onyx Heavy Duty Boxing Bags

Premium Combat Gear. Built for Power, Designed to Endure.

Introducing the Onyx Heavy Duty Boxing Bags Collection — a premium range of commercial-grade punching bags engineered for power, precision and endurance.

Designed for professional gyms, boxing clubs and martial-arts studios, each bag in this collection features T-Flex leather, a superior synthetic material that combines rugged durability with a premium tactile feel.

Available in multiple sizes and configurations, including filled or empty options, these bags are purpose-built for striking, kicking and conditioning drills.

Reinforced stitching, heavy-duty nylon straps, and precision-balanced construction ensure lasting performance, whether for high-volume commercial training or advanced home setups.

Key Features

• Premium T-Flex Leather: Tear-resistant synthetic hide with exceptional longevity and sleek matte finish.

• Heavy-Duty Nylon Hanging Straps: Ultra-strong stitched supports for silent and secure suspension.

• Available Empty or Filled: Choose your fill density or receive ready-to-train pre-filled bags.

• Commercial-Grade Build: Engineered for high-intensity gym and dojo use.

• Multiple Sizes: From compact 4 ft units to full-length 6 ft heavy bags for complete striking range.

• Signature Onyx Design: Minimalist black or white aesthetic with chrome gradient branding for a professional look.

Why Choose Onyx

The Onyx collection by Fitness Hero represents the next evolution in premium boxing and martial-arts equipment — designed in Australia and built to exceed the expectations of professionals. Every bag is precision-crafted to deliver long-term reliability, superior shock absorption, and a premium finish that complements high-end training facilities.

Whether you’re outfitting a full boxing gym or creating a professional-grade home training space, the Onyx Heavy Duty Boxing Bags collection offers strength, style and endurance you can rely on.