1.REDUCES ANXIETY: The dog onesies snug fit applies gentle pressure, making dogs feel more calm, confident and secure. Whether its thunderstorms, fireworks or separation anxiety, can soothe your pup into relaxation when wearing the calming shirt.2.POST SURGERY USE: The jumpsuit can be used to replace the bulky, uncomfortable medical cone; covers hot spots, post-surgery use surgery sites, prevents scratching, licking and itching, protect and alleviate allergies and other skin conditions. 3.PROTECTION FROM THE ELEMENTS: Use on hikes for tick prevention and protection from other bugs, pests, stickers and burrs. Shield from cold weather and wind, prevent hair freezing in the snow, offers UV protection, keeps your dog clean when outside or at the dog park or beach. It is a must when traveling in the car and going on outdoor adventures.