GoECO MN245 Leather Stress Buster Desktop Punching Bag Heavy Duty Suction Freestanding Reflex Bag Kit For Adults Kids Home Office Features a heavy duty suction cup and metal spring, sticks to any smooth flat surface, stays securely attached hit after hit! The desktop punching balls also includes a hand pump along with inflator needle. Great for anyone, perfect for home or office stress relief! Suitable for boxing practice, stress relief, or just fun exercise Measures 13.8"H,7"W and Chuck diameter:5.1"