Gym Sandbags

(3 products)

Pre-filled exercise and competition sandbags from 5kg to 30kg and fillable strongman sandbags up to 100kg.


  • (9)

    Pre-filled Competition Sandbags

    Regular priceFrom £74.99
    • Pre-Filled for Immediate Training Pre-Filled for Immediate Training
    • Multi-Handle Grip Design Multi-Handle Grip Design
    • Built for Functional Strength Built for Functional Strength
    • Competition-Ready Competition-Ready
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  • (20)

    Exercise Sandbags

    Regular priceFrom £59.99
    • Multi-Handle Grip Design Multi-Handle Grip Design
    • Built for Functional Strength Built for Functional Strength
    • Colour-Coded Weights Colour-Coded Weights
    • Rapid delivery Rapid delivery
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  • (52)

    Strongman Sandbags

    Regular priceFrom £40.99
    • Built Better for Grip & Power Built Better for Grip & Power
    • Multiple Weight Options to Progress Performance Multiple Weight Options to Progress Performance
    • Reinforced Stitching Reinforced Stitching
    • Enhanced Versatility Enhanced Versatility
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Frequently Asked Questions

Which gym sandbag should I choose for carries and lunges?

For carries and lunges, use a handled training or competition sandbag that gives a secure grip and the correct fixed weight. BLK BOX Exercise Sandbags use an elongated multi-handle design for carries, squats, rows and lunges, while Pre-filled Competition Sandbags are aimed more directly at fitness-racing and competition-style training.

Can I change the training weight or is the bag a fixed-weight product?

The pre-filled Exercise and Competition Sandbags are fixed-weight products. Choose the weight you need or keep several bags for progression rather than opening the bag to alter the filling; Exercise Sandbags are also available as a set of five totalling 75kg.

How can I confirm the correct training weight for my event division?

Use the current official event rulebook to confirm your division weight, then choose the nearest exact training bag. BLK BOX Competition Sandbags are available in 10kg, 15kg, 20kg, 25kg and 30kg, giving progression options around the main competition loads.

What is the difference between a handled and strongman-style sandbag?

Handled exercise and competition sandbags use multiple external handles to make carries, lunges, rows, presses and transitional movements easier to programme. Strongman-style bags are designed around gripping the bag body itself and create a different, less structured hold for loading, shouldering and carries.

Is the sandbag supplied filled or empty?

The current BLK BOX Exercise Sandbags and Competition Sandbags are supplied pre-filled, so they arrive ready to train with. Strongman Sandbags are supplied unfilled, so they can be filled to the weight you need.

How should I fill, clean and store a training sandbag?

Pre-filled BLK BOX Exercise and Competition Sandbags do not require filling. Keep them clean and dry, avoid unnecessarily abrasive surfaces and store them away from sharp edges to protect the outer fabric and stitching.

Which filling material does the manufacturer specify?

Filling depends on the sandbag model. Competition Sandbags are supplied pre-filled, while Strongman Sandbags are supplied unfilled, so use the fill guidance supplied with the bag.

Are inner bags or liners included?

Construction depends on the sandbag model. Strongman Sandbags use a secure fill system, while Competition Sandbags are supplied pre-filled and ready to train with.

Where are the handles positioned and what movements are they intended for?

Exercise Sandbags use multiple handles across the elongated body so the bag can be carried, rowed, pressed, squatted and lunged from different positions. Competition Sandbags also use easy-grip handles positioned to support controlled race-style carries and lunges.

Is the bag designed to be dropped or thrown?

Competition Sandbags are described as able to withstand repeated drops, carries and throws, while Strongman Sandbags are designed to be dropped, not slammed. Even so, avoid deliberately dragging or throwing any sandbag across abrasive surfaces beyond the intended training use.

Can I replace a liner or repair a damaged outer bag?

Liner and repair options are model-specific and are not listed as standard spare parts across the sandbag range. If a liner or outer shell is damaged, use the model or SKU to check the available repair or replacement option.

How does shipping differ between filled and unfilled sandbags?

Pre-filled sandbags ship at their full training weight, so heavier or multi-bag orders can require different parcel or pallet handling than an empty bag. Check the delivery method at checkout and plan the receiving point for the full shipment weight.

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