BUILT TO ENDURE THE TOUGHEST SLAMS: With a thick outer shell that absorbs multiple impacts, slamming or throwing this handheld ball against walls or the ground forces you to utilize more energy and force, resulting in more calorie burning and endurance

EXPAND AND INTENSIFY YOUR WORKOUT PROGRAM: These JFIT weighted workout balls are perfect in place of dumbbells or kettlebells and can improve your training significantly and burn more calories by adding extra weight to your sit ups, push-ups, squats, and plyo jumps

PERFECT FOR ANY STAGE OF FITNESS: Whether you are a beginner on the fitness journey or a seasoned athlete, the weight varieties of these slam balls allow you to challenge yourself and provide an assortment of sizes for variety slowly and incrementally

LEANER AND STRONGER: Achieve your best shape, whether training alone or with a partner, by improving your overall body muscle mass, cardiovascular endurance, and hand-eye coordination, allowing you to perform better throughout your workout

STURDY CONSTRUCTION: Comprised of a strong outer shell and a sand-filled core, the dead weight provides challenging resistance, but will not damage or hurt walls, floors, or your personal trainer’s hands