Teenage Mutant Ninja Turtles in Action Peel and Stick Giant Wall Decals 18 x 40in Join this lean, mean, green team as they dive into action to fight against evil with these Teenage Mutant Ninja Turtles In Action Wall Decals. Decals range in sizes from 12.8" wide x 11.5" high to 22.2" wide x 16.4" high Dimensions: 1 sheet 18" x 40" Number of Decals: 4. Color: Multi.