Upgrade to a Larger Size: Desk punching bag with new upgrades! Larger ball with durable strong impact spring, sturdy matel clamp to hold firmly in place and minimise disruption, don't come off easily with constant striking. Can be clamped on tables with a thickness of 1-5.5cm/0.39-2.16 inch Perfect Relieve Stress: Stressed at work and school? Try our desktop punching bag! A quick, fun distraction to break the monotony. This mini punching bag desk toy can attach to any surface to give you release stress relief right at your fingertips boost focus, elevate fun and reset your mind in seconds. Watch stress bounce away Sturdy & Durable Materials: Our desktop stress buster is made with resilient spring and high quality materials to make sure they last and can take countless punches from you and your colleagues. The punching ball has a soft material, which does not hurt your hands. The metal clip is securely mounted on the tabletop and resilient spring keeps coming back for more Set Up in 1 Minute: The stress buster punching bag is very easy to install. It comes with an air pump to ensure that the ball is always inflated and ready for action. No screws needed to attach it to your desk or countertop, great for home or work environments Ideal Gift Idea: This desktop punching ball is perfect for adults. Great as a stress relieving office fun gift for coworkers or great prank gift idea, can also be used as a birthday gift, thanksgiving gift, christmas gift for coworkers, family, friends Mini boxing bag desktop toy can be fixed on any surface, by hitting this desktop boxing bag to exercise reflexes, release negative emotions and relieve the pressure of learning.