1. High quality and durableThe inflatable punch bag is made of high quality environmentally friendly PVC, durable, with thickened bottom design, wearresistant, easy to inflate and deflate, can be folded small for storage, with fast rebound speed, but soft enough, it is 125 cm high after it is fully inflated. 2. Use: Simply fill the lower chamber with water or sand to keep the bag upright, then fill the top chamber with air and prepare for fitness. Note that sufficient water or sand can make the bag firmer. 3. Widely used: this useful and fun kickboxing training bag helps improve mobility and handeye coordination and promote physical movement in children. Suitable for families, yards, gyms, etc. 4. Relieve stress and anger: This fun inflatable impact tower is suitable for both keeping fit and stress relief and can be used by children. Great for relieving stress and anger. Note: When unpacking the packaging, please do not use a sharp object such as a knife to cut it apart to avoid damage.