▼ 【Smooth and Durable】The Boxing Speed Bag is made of durable and easy-to-clean PU leather with reinforced seams for long life. Each speed bag features a smooth cover for perfect operation, fast and accurate response to strikes. ▼ 【Accurate and Fast】With a pear-shaped design, Speed Punching Bags are not only fast, balanced rebounds, but also easy to aim, allowing you to get accurate punches and good rebounds without messing up your rhythm. ▼ 【Convenient to Install】This boxing ball installation kit allows you to install it conveniently. Including pump and safety buckle. Start training now! Burn calories! ▼ 【Multifunctional Design】You may be accustomed to lifting weights or running on a treadmill, you may be better off playing Speed Bag Bladder, which can exercise accuracy, agility, endurance, and also decompression! ▼ 【Please Note】The perfect boxing bag, can hit ball quickly, reflex and achieve fitness goals. Note: When inflating the boxing ball for the first time, it's better to inflate 70% to avoid over-inflation, can be used for a longer time.