His heart may be two sizes too small... But this mask will fit your look perfectly! This How the Grinch Stole Christmas! - The Grinch Latex Mask (Adult) is just what you need to polish off your Dr. Seuss disguise. Includes a full mask. Latex. Spot clean. Imported. Does not include costume or any other accessories. Caution: This product contains Latex, which may cause allergic reactions. This is an officially licensed The Grinch product.