What do Phantoms drop when killed?

What do Phantoms drop when killed? Phantoms drop when killed: 0–1 phantom membranes when killed by a player or tamed wolf. Looting increases the maximum drops by 1 per level, for a maximum of 4 with Looting III.

Phantoms drop when killed: 0–1 phantom membranes when killed by a player or tamed wolf. Looting increases the maximum drops by 1 per level, for a maximum of 4 with Looting III.