Ink Sac

Ink Sacs are items added to Minecraft Pocket Edition in Update 0.8.0. However, it was unobtainable in Survival Mode until Update 0.9.0.

Obtaining
Normally, Ink Sacs are obtained by killing Squids and occasionally by looting Dungeon and or Village Chests. Originally in the Pocket Edition Update 0.9.0 Ink Sacs were only obtainable through looting Dungeon and Village Chests. But in the Pocket Edition Update 0.11.0 Squids will be an available source to gather Ink Sacs from.

Purpose
An Ink Sac acts a Dye that will turn Sheep or Wool black. To craft Cocoa Beans you need to craft it together with Orange Dye or red and yellow dye.

Trivia

 * There is a glitch, in which when a player equips a bow and bone meal in their inventory, then holds down on a bow and fully charges it, and fires the bow and immediately taps on the bone meal, it turns into an inc sac.