This package grants you one key only. You can pick on item from the following crate. 

• Mace
  -Density V
  -Fire Aspect II
  -Unbreaking III
  -Mending

• Trident
  -Channeling
  -Impaling V
  -Loyalty III
  -Unbreaking III
  -Mending 

• Netherite Helmet
  -Protection IV
  -Unbreaking III
  -Mending

• Netherite Chestplate
  -Protection IV
  -Unbreaking III
  -Mending 

• Netherite Leggings 
  -Protection IV
  -Unbreaking III
  -Mending

• Netherite Boots
  -Protection IV
  -Unbreaking III
  -Mending