2XSR

Sand Fillers [2]

Sale price Price $49.99 Regular price Unit price  per 

Shipping calculated at checkout.

LARGE 

Play Sand: Simply fill the sand filler all the way up for 20 LBS. 

SMALL

Play Sand: Simply fill the sand filler all the way up for 10 LBS.

Each sand filler equipped with double layer of Velcro, folding with outside binding reassuring you can throw them around without any sand leakage. Please avoid all sharp objects and any liquids. Visit the FAQ and warranty page for full details.  

Sand is not included

Play Sand from your local hardware store is recommended. 
Play Sand usually retails for $7CAD for 20KG
Pea Gravel usually retails for $7CAD for 30KG

STABILITY & INSTABILITY IN ONE

0-100LBS REAL QUICK

MANUAL GUIDE

GET A GRIP

NO LIMITS

BEFORE OR AFTER, YOU DECIDE!

LOAD UP

WHY US?

Is sand included?

We do not offer sand. We want you to save you from insanely shipping fees. You can purchase sand at your local hardware store such as Home Depot. Play Sand from your local hardware store is recommended. Play Sand usually retails for $7CAD for 20KG.

What type of sand can I use?

Beach sand or any sand without sharp objects. Pea Gravel is acceptable as well. However, please make sure to remove any sharp gravel. Our warranty does not cover damage to the sand fillers due to sharp objects. Please read the full warranty coverage here: https://www.2xsr.com/pages/warranty

How do I know how much each sand filler holds?

Large Sand Filler: Play Sand: Simply fill the sand filler all the way up for 20 LBS. Pea Gravel: Mix in with Play Sand and fill to the top for 25LBS Small: Play Sand: Simply fill the sand filler all the way up for 10 LBS. Pea Gravel: Mix in with Play Sand and fill to the top for 15LBS Please make sure to fully double fold each sand filler.

How do I know sand will not leak?

Please make sure to completely close the sand filler with no spacing in between then firmly fold over twice. The binding (army green fabric lining) across the sand filler is for reassurance.

Can I slam the sand filler?

Yes, however, eventually you will have to reseal the sand filler.

Can I use water to fill up the sand filler?

No. Please only use sand.

What if the sand filler gets wet?

That is fine! However, overtime bacteria and a bad odour will start to form. If you intend to use the sand filler underwater, please pour out the sand when completed, let it dry then put it back in.

ECONOMICALLY FUNCTIONAL AND ADJUSTABLE

COVID-19 shocked the globe and so did fitness companies. Competitors retail dumbbells and kettlebells for over $3/pound! Are stationary dumbbells and kettlebells adjustable? 99.99% not! 

We designed sand fillers to accommodate to you, your budget and your fitness goals! 

Whatever you use dumbbells and kettlebells for, you can do the SAME with our economical adjustable sand fillers AND more!

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Stability training refers to performing exercises while on an unstable surface with the goal of activating stabilizers and trunk muscles that may get negelcted with other forms of training. Whether you’re doing stability ball training or unilateral exercises like the ones in this workout,  core strengthening is a surefire to prevent future back pain. Unilateral training, lifting weight on only one side at a time, prepares you for movements in daily living and sports that bilateral movements (using both limbs at the same time) may not cover. Keep your core tight during this full body stability workout designed by Mike Strevel, Training Manager at DavidBartonGym, to build strength, prevent injury, and improve balance, coordination and performance. - Men's journal

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Instability training is popular in many fitness circles, including CrossFitHIIT, and yoga. As the name implies, it involves introducing instability to your exercise, usually with external implements. For example, you could utilize an unstable surface like a Swiss ball or Bosu ball, or you could find your instability elsewhere via equipment like suspension trainers.

According to research published in the Sports Health journal, instability training is utilized for performance enhancement, rehabilitation, and overall musculoskeletal health. The idea is to strengthen the core and trunk muscles and, in certain cases, it can also be used for sport-specific training to prepare athletes who compete on unstable surfaces like sand. Instability exercises may be bodyweight in nature—like standing on a wobble board to improve your balance—or can involve resistance. In both cases, you can look forward to increased core activation, which strengthens your abs, obliques, and lower back. 

But what does the science say? One study found that exercises performed under unstable conditions increased trunk muscle activation by an average of 47.3 percent. A stronger core will help you in the long term during exercises like the squat, deadlift, and bench press.

That said, you shouldn’t pair instability training with strength training. For these movements, an unstable base will rob the legs and chest of their full potential, thereby proving detrimental to strength gains. And, if you’re not careful, that unstable base can lead to injury—from literally falling off a tottering platform to tweaking a muscle while trying to balance. - Muscle and Fitness

WORKOUT GUIDE