When deciding between two sizes, choose the larger size for a better fit. For true TMNT fans, this detailed costume kit can’t be beat! This set includes a green turtle shell tee and four eye masks (red, blue, purple, and orange), providing everything you need to complete your look. Made of cotton, polyester, and spandex, this high-quality costume is easy to wear and looks realistic. Become your favorite turtle this Halloween! This costume is perfect for any TMNT fan, featuring four eye masks and a short-sleeve design. Get ready for the best Halloween yet. Do not wash this costume in a washing machine to avoid wear and tear. Always be sure to hand wash or spot clean to prolong the life of this outfit.