Wear these Skeleton Party Sleeves with any t-shirt and instantly transform your look! Whether you want to make your own costume or throwing one together last minute, these cheap costume accessories will easily turn any look into a spooky one. Simply, slip on the sleeves and you are ready to go! Each package contains two sleeves, both measuring 19 inches long. Made from a thin, stretchy nylon material. One size fits most. For one time use only.