Using this gift set is super easy. For the football, just use the mini hand - pump to inflate it. The pump is small and handy, so you can carry it around easily. When using the water bottle, just unscrew the cap and take a drink. It holds 500ml of liquid, perfect for staying hydrated during your training. As for maintenance, keep the football away from sharp objects to avoid punctures. Clean the water bottle regularly to keep it fresh. Store the pump in a dry place to prevent rusting. Enjoy your Manchester City FC training equipment!