Features: The benchtop type suction base is securely attached to any wooden or metal table top. After the impact, the powerful spring can quickly return to its original state.With pump and valve, easy to use. The speed ball is suitable for anyone, and is ideal for home or office decompression. The high quality PU surface is soft and durable to protect your hands from injury. Specification: Product Name: Desktop Punching Bag Height: 40 cm/15.74 inches Spring Height: 13 cm/5.11 inches Suction Cup Diameter: 17.7 cm/6.96 inches Product Material: PU+spring steel Product Color: red Package Included : 1 X Inflatable punching bag 1 X Plastic suction base 1X Durable spring 1 X Mini air pump Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. Due to manual measurement, there may be 1-2mm error in size. ?Durable?The boxing ball is made of high-quality materials, durable and can withstand high-intensity hits. The elastic spring continuously rebounds, and the design also takes into account the softness and cushioning of the surface to prevent injury during use.