Sand Fillers 
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
Trusted by Individuals in:
STABILITY & INSTABILITY IN ONE
Simply fill up the sand filler with play sand for compound workouts such as bicep curls.
Instability increases strength in our joints and core strength. Simply release sand some out, allowing the sand to shift side to side while you focus on maintaining the adjustable sand filler with minimal to no movement.
0-100LBS REAL QUICK
Are you running a beach boot camp but have limited time and energy to go back and fourth from the car?Have you ever heard about 10-20LBS dumbbells / kettlebells folding in the palm of your hands and weighing less than a pound? We got you covered! Each adjustable sand filler can fold in the palm of your hands and expand up to 20LBS in a matter of seconds!
GET A GRIP
No excuses! We all are lacking motivation and determination. Each adjustable sand filler is equipped with a handle to use as a dumbbell / kettlebell.
What's on your program? Doesn't matter! Adjustable sand fillers adjust to your goals!
BEFORE OR AFTER, YOU DECIDE!
Everyone has their theory to workout before or after practice. Simply fill up the sand fillers with baseball dirt for dumbbell / kettlebell workouts! *Please return the baseball dirt to where it belongs!
20LBS is not enough? Each foam handle is reinforced close to the adjustable sand filler allowing you to firmly grip as many as you can with minimal space in between your hand.
We believe every product should be functional, versatile, durable and innovated. We spend at least two years during the product development stage.
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.
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
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.
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.
Yes, however, eventually you will have to reseal the sand filler.
No. Please only use sand.
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.