How do I pack the buoy so that no air remains in it?

Make sure there are no objects in the drying compartment of the buoy. Then flatten it towards the opening to remove all air from the drying compartment. Then begin to roll up the buoy, pushing the cap into the mouth valve to keep it open.

Caution: If there is any air left in the drying compartment, the buoy will not roll up completely. Repeat the smoothing process and roll the buoy up again.