1、Made of quality PU leather with strengthened cord, sturdy and durable 2、Ball all shape with air inflation design, very flexible for storage and use 3、Excellent elastic force enhances your endurance, speed and accuracy 4、Easy installation to floor and ceiling 5、Suitable for boxing training and exercising Description: This item is made of premium PU leather with heavy duty and highly elastic cord. The ball shape with air inflation design is convenient for storage when it's not in use and quick installation when you need it. It can be easily installed to the floor and ceiling. This item is suitable for boxing lovers. Features: 1. Made of quality PU leather with strengthened cord, sturdy and durable. 2. Ball shape with air inflation design, very flexible for storage and use. 3. Excellent elastic force enhances  your endurance, speed and accuracy. 4. Easy installation to floor and ceiling. 5. Suitable for boxing training and exercising. Specification: Material: PU Leather Color Options: Black; Blue; Yellow; Red Inflated Size: approx. 30 * 20 cm / 11.81 * 7.87 inch Length with Cords: approx. 1.7 m / 5.77 ft Extended Length with Cords: approx. 3 m / 9.84 ft Weight: approx. 430 g Package Included: 1 * Speed Ball with Cords Only