Train with Instability - Build Real Strength with Every Splash.
- Weight Capacity: Up to 20 kg (with water)
- Size: 73x19cm
- Material: Durable PVC
- Filling Medium: Water only (no sand required)
- Recommended Surface: Smooth floors only
- Included Accessories: Inflator pump
- Usage Tip: Do not exceed MAX water line to avoid damage
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✔ Dynamic Weight Training: Engage your core and stabilizer muscles with shifting water resistance
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✔ Adjustable Load: Easily control the weight by adjusting water level - up to 20 kg max
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✔ High-Quality PVC Material: Durable, leak-resistant, and built to withstand repeated workouts
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✔ Safe & Portable: Lightweight when empty, perfect for home, gym, or travel use
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✔ Multi-Functional Training: Ideal for CrossFit, bodybuilding, strength, and balance exercises
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✔ Clear Usage Instructions: Marked MAX line ensures safe usage without overfilling
Take your home workouts to the next level with the 20KG Fitness Aqua Bag - a water-powered training tool designed to challenge your balance, strength, and coordination like never before. Unlike traditional sandbags, this aqua bag uses shifting water weight to engage deep core muscles and stabilizers with every movement. Whether you're lifting, swinging, pressing, or carrying, each rep becomes an active fight for control - improving real-world strength and balance.
Crafted from tough, high-quality PVC, this bag is built for intense workouts while remaining light and portable when empty. Simply fill with water (up to the clearly marked MAX line), pump in air for firmness, and you're ready to train. Perfect for CrossFit athletes, home gym users, or fitness beginners looking for an innovative way to train smarter, not just harder. Use it only on smooth surfaces and never exceed the fill line to ensure long-lasting performance.
At Primebay, we’re committed to making your shopping experience seamless and worry-free. Below you’ll find details on how we process and deliver orders within Australia.
Order Processing
Orders are processed within 1–2 business days after payment confirmation.
Once shipped, you’ll receive a confirmation email with tracking details.
Shipping Times
Our products are shipped directly from our trusted suppliers. Delivery times vary depending on the item and supplier location:
Standard Shipping (Australia-wide): 5–10 business days
Remote/Rural Areas: May require additional 3–5 business days
(Note: Delivery times are estimates and may be affected by , weather conditions, or peak holiday periods.)
Shipping Fees
Free standard shipping on all orders.
Tracking Your Order
All orders come with tracking.
Tracking details may take 2–4 business days to update after dispatch.
Incorrect Address
Please ensure your delivery details are correct when placing your order.
Primebay is not responsible for delays or lost parcels due to incorrect addresses.
Delays & Lost Packages
If your order has not arrived within 30 business days, please contact us at for assistance.
In the case of a lost package, we’ll send a replacement or issue a full refund.
Warranty & Returns
1. Change of Mind Returns
We offer a 30-day Change of Mind return policy, giving you confidence when shopping with us.
If you change your mind about your purchase, you can return your item within 30 days of receiving it for a full refund.
To be eligible for a Change of Mind return:
The item must be unused, unworn, and in its original packaging (including all accessories, tags, and manuals).
You must provide a receipt or proof of purchase.
No restocking fees apply.
Return postage for Change of Mind returns may be at the buyer’s expense, unless otherwise stated.
Please contact us before sending your return to obtain instructions and ensure smooth processing.
2. Warranty & Faulty Items
All our products are covered by a 12-month warranty against manufacturing defects.
If your item develops a fault within the warranty period, please contact us so we can assist with a repair, replacement, or refund, in line with the Australian Consumer Law (ACCC Consumer Guarantees).
To process a warranty claim, you may be asked to provide:
A detailed description of the issue, and
Clear photos or videos showing the fault.
Please note that warranty claims do not apply to damage caused by misuse, neglect, or normal wear and tear.
3. Need Help?
If you have any questions about returns or warranty claims, please contact our customer service team — we’re happy to help.