Insight into this item quality this gym ball composed of very good quality material with extra thickness, Anti, Burst, Non, Slip stability, Durable, Portable and resistant non, Toxic pvc heavy duty branded product. Doctor s recommendation this gym equipment for home gym recommended by physical therapists for the rehabilitation of knee, Arms, Shoulders. At pregnancy time women can use the sponge ball for body massage, Stretching & weight balancing. Benefits it improves core strength, Fitness in the home gymIt functions as beneficial for girls, Men, Babies/kids, Women. Quick foot pump included, A easy, To, Use foot pump comes included for quickly and easily inflating the balance ball available sizes, 55 cm, Rs. 790 65 cm, Rs. 970 75 cm, Rs. 1080 85 cm, Rs. 1250