The Marshmello DJ Halloween Full Head Mask is a white LED light-up cosplay costume designed for adults and teens. This unique mask, inspired by the popular DJ, is perfect for Halloween, parties, raves, festivals, and concerts. Made of plastic and featuring a one-size-fits-most design, this mask will surely make a statement at any event. The bright LED lights add an extra element of fun and excitement to the overall look, making it a standout accessory for any costume or outfit.