This is a great costume!! Size small which is a youth 5-7. Zip closure, elastic strap to go under shoes, padded tail, dinosaur head with hook & loop closure. Inseam is 20.5", shoulder to shoulder is 12" across the back. Sleeves are 11" from under the arm to the end of the sleeve. Clean, smoke free home. Check out my other listings. Message me if you have any questions at all. Thank you for looking!!