Description
- ADJUSTABLE WEIGHT— Fill the filler bags within the duffel with up to 35 pounds of sand (or 75% full) for a perfect instability of form that will force you to use your stabilizer and major muscle groups.
- NO MESS— These inner filler bags come empty with an easy velcro opening. Fill them up (to 35 pounds), toss them into our outer shell sandbag for a heavyweight substitute for the gym with serious benefits. No mess, tons of options to get fit. We at FITSHIT guarantee you’ll love your sandbag inserts for one year - UNHEARD OF in this industry — no questions asked.
Inner Bag Refills for FITSHIT Sandbags (which also available on - search for FITSHIT). They are for the large size bags, but also work well for medium.
