A Heal Ball is a remedial Poké Ball that restores the caught Pokémon's HP and eliminates any status problem.
As the Heal Ball's effects currently apply to all Poké Balls, Heal Balls are functionally equivalent to the basic Poké Ball.
Crafting
To craft a Heal Ball, a Heal Ball Lid, a Button, and an Iron Base or Aluminum Base are needed.
To craft a Heal Ball Lid, two Cooked White Apricorns and one Cooked Pink Apricorn are needed. Placing the three cooked apricorns in a row horizontally in a crafting bench, with the pink one in the middle, will produce three Heal Ball discs, and then using the anvil will make them into Heal Ball lids.