The Ninja Mask is a solid-colored mask that surrounds the head completely. It has an emblem on the forehead, which looks like a diamond with two swirls, and markings behind the neck where it is tied. It appears in the shape of a monkey's head, but when equipped it matches the animal's head. There are nine varieties of this item including the rare variant.
- The rare version of this mask was released for Rare Item Monday on March 18, 2013.
- It was put on clearance sometime around 2013.
- It can be won in The Forgotten Desert.
- This item, the Feathered Mask, and the Superhero Mask are the only clothing items for the head that change their shape to match the animal that is wearing them.