Features: 1. Suitable for Reducing Pressure: This punching bag is functional to reduce stress. When you feel depressed you can use it to let off your bad emotions and at the same time it can also relieve the fatigue of long hours of work. 2. Practical Design: This desktop punch bag has a suction cup whose suction power can reach 70KG so you can easily connect it to various surfaces such as wood glass tile or marble providing you with a perfect pressure release experience. 3. Excellent Material: Crafted from high nubuck PU leather our punching bag holder is high density and durable. The top is sewn by hand with good air tightness to prevent air leakage during use. 4. Functional Alloy Spring: This punch bag has durable springs which will bounce every time you hit the boxing ball. You can keep using them until you calm down great for adults and kids. 5. Wide Applications: With a wide range of applications our stress-relieving tabletop sandbag is perfect for use at the home office school and more helping you reduce different pressures. Note: Due to the lighting effects and shooting angles there is a color difference in the product please understand. Due to manual measurement there is a tolerance in the product size. Specifications: Name: Stress Buster Desktop Punch Bag Material: PU; Stainless Steel; PU Foam Height: About 40cm/15.71inches Base Diameter: About 17.7cm/6.96inches includes: 1 * Base 1 * Pole 1 * Speed Ball 1 * Air Pump(Random Style and Color)