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COMMERICAL GRADE The 50 lb. ZIVA Power Core Bag takes this dynamic, less easily controlled resistance that recruits more stabilizer muscles across the entire body and updates it with heavy-duty nylon straps and rubber handles, thick PVC skin, and easy-identification weight numbers
PRE-WEIGHTED The variable weight distribution of the classic sandbag is improved here with ZIVA engineering plastic microbeads and a special pre-weighted sand-filled liner bag.
SAFETY ENDCAPS The ZIVA sandbag airhole endcaps allow for safe compression during intense exercise
VERSATILITY This highly flexible tool allows users to enjoy a wide variety of compound lifts and combined compound lifts, a dream for full-body superset routines
VARIETY Diversify your workout by adding more weight to your core training exercises. ZIVA is proud to offer a variety of power core bags featuring weight increases by 10-pound increments
