Weider Pair of Yellow Soft Weight Exercise Balls, 2 Pounds Each 4 lb. pair (2 lbs. each) soft weight balls Vinyl covering with sand filling Exercise Chart and DVD included 4 lb. pair (2 lbs. each) soft weight balls. Perfect for Pilates, toning, rehabilitation, fitness, strength training, yoga and more Natural sand filled thick vinyl covered exercise balls are comfortable and easy to grip Includes hangable exercise chart with 15 different workouts that sculpt and tone DVD with trainers Melanie and Heather take you through an amazing and informative 40 minute workout packed with clear instruction that is sure to get you energized and feeling great Do not store product on finished wood surfaces