100% Cotton Tropical Hawaiian/Aloha Dog Shirt For Small and Medium Dogs *Size Runs Small-Please Measure* 100% Cotton light and airy material 3 Button closure Hand wash cold, iron if needed Micha the 10 pound model is wearing a size medium- Sizes run small- Please measure Size Xtra Large measures 16.5 inches body length, 19.5 inches chest girth and 16.5 inches neck