From Minecraft Wiki
|This page contains content on features that may be included in the next update.
These features have appeared in development versions, but the full update containing these features has not been released yet.
Phantoms will drop 0–1 phantom membranes when killed by a player.
|Potion of Slow Falling
|Phantom Membrane +
|Upcoming Java Edition|
|1.13||18w14a||Added phantom membranes.|
|Upcoming Bedrock Edition|
|1.6||beta 126.96.36.199||Added phantom membranes.|