Push-Pull Inflation Device??? Your new pump inflates with each push and pull of the handle EASY TO USE Minimal pieces, no hose to attach. Save your time for the game not assembling a pump DURABLE Sleek robust design means you can rely on it to get you back on the field and ready to play PORTABLE AND CONVENIENT Fits in your bag, trunk, even your pocket. Take it wherever you may need it NO BATTERIES NEEDED pump with your own hand and save electricity