He has a SCORE to settle! Trick or Treat Studios is proud to present this Mabry Monsters Killer Goalie Mask, a classic Halloween staple - perfect for any hockey or slasher costume. This deluxe mask is made of white injection molded plastic with a 3-way elastic strap. Mabry Monsters TM & © Justin Mabry. All rights reserved. This plastic hockey mask is perfect for Jason, hockey players (costume use only - it will not provide protection), cosplay, Halloween and more! Also great for painting for creating your own masks or craft pieces. Other sports and horror costumes and accessories are sold separately on our page – subject to availability.