Mellow Shirt Dog Anxiety Calming Wrap Like swaddling an infant, Mellow Shirt uses gentle pressure to calm all sorts of fear and anxiety problems Use for thunder, fireworks, vet visits, car travel, crating, problem barking and much more Made with lightweight, breathable, machine-washable fabric, drug free and comfortable for your dog Very easy to put on and take off, hook-and-loop fasteners make adjusting for gentle pressure a snap for most any size dog Size X-Small fits most dogs 8 to 14 pounds and with a chest circumference of 13 to 17 inches, please measure dog before ordering