RDX Sandbag Weight Training Power Bag with Handles & Zipper | Weight Adjustable Fitness Powerbag for Crossfit, Weight Lifting, Running, Exercise, Powerlifting and Functional Workout Perfect alternative of medicine ball, Dumbbells or Barbells Recommended for both outdoor and indoor use Ideal gear for muscles building, fat burns and utmost agility Zipper enclosure for instant weight adjustment Featured with both top and side handles for extra utility