Little and big boys will love this Mario movie tee (please read on to see sizing information)!! This top is officially licensed clothing product!! Shirt is grey heather in color is 50% cotton and 50% polyester. Tee has movie graphics on the front of Bowser and his Koopa's. Shirt graphics say 'BOW BEFORE BOWSER.' In this new movie, Mario travels through Mushroom Kingdom with Princess Peach and mushroom Toad to find Mario's brother, Luigi. They need to save the world from the fire-breathing Koopa, Bowser! Read the following for sizing information- Amazon's sizing is done by years, however, this tee is regular little and big boys sizing. Little boys sizes 4/5, 6/7 and big boys sizes 8, 10/12 and 14/16. Sizing is shown as follows- size 4/5 is shown as 4-5 years, size 6/7 is shown as 6-7 years. Big boys size 8 is shown as 8 years, size 10/12 is shown as 10-12 years, and size 14/16 is shown as 12-14 years. Please buy your child's normal size- 4/5, 6/7, 8, 10/12, or 14/16.