The fitness ball has no scratches or stains, but the snap ball has some scratches. There are no problems with operation or use. -- Gyro ball and dumbbell-type exercise equipment, perfect for training. Peanut fitness ball for myofascial release, SGS certified, for deep tissue in the lower back and legs, trigger points, muscle knots, peanut yoga ball -- [Recommended for trainers] Grip strength training ball, muscle training, wrist strengthening, muscles, equipment, wrist grip strength, goods, strength training, snap ball