In what way? Like only the player can destroy them to be picked up or Invulnerable in the sense of never being able to destroy the item drop?

It's for Love Tropics builds, they would need to be summoned or given with an NBT tag. Then once placed, they would not be able to be destroyed unless its with a tool or smth i needw figure that part out

Could be if clicked with the debug stick it destroys the entity or something. We could use TrackedData to see if it can be destroyed or not

Using the debug stick would work nicely!