Features: - Safe and anti-skid material, explosion proof and durable. - Various training ways, safe fitness exercise. - Strong load capacity, high strength and durability. - Great to lose w eight, keep slimming, andincrease your flexibility and improve your balance. - Great for your spine and back health, wonderful for adding focus and energy to your workouts. - Effectively adjust your posture and make your figure perfect if you insist in using it for a long term.