ProsourceFit Weighted Toning Exercise Balls for Pilates, Yoga, Strength Training and Physical Therapy, 4 lb Blue

STRENGTH & STABILITY TRAINING: Experience small muscle activation with pliable Pilates toning balls filled with sand. IMPORTANT: Place the toning ball in a dry environment and do not store on wood floors or surfaces for quality assurance VERSATILE UTILITY - Weighted exercise ball is suitable for all fitness levels and ideal for Pilates, strength training, yoga or physical therapy exercises ERGONOMIC DESIGN - Unlike traditional dumbbells, the mini workout ball is curved to fit in the palm of your hands to avoid wrist and arm pain during upper or lower body exercises TRAVEL-FRIENDLY & COMPACT - Get a workout anytime anywhere with these lightweight and portable small exercise balls that fit easily into your bag or suitcase! 6 WEIGHT OPTIONS- ProsourceFit Toning Balls are available in 2 lb, 3 lb, 4 lb, 5 lb, 6 lb and 8 lb