Give the desktop punching bag a punch and you will feel better for a few minutes, then get back to the grind with your newly diminished stress levels. The innovative desk punching bag is made using a heavy duty composition that can take any punch you throw at it. Knock out stress with this table-top punching bag. A heavy-duty spring and a large suction cup ensure that it can take a hard punch. The set includes everything you'll need to set it up.