HELPS KEEP PETS CALM AND COMFORTABLE AT HOME TOO! Uses include: Anti-anxiety aid for stress in the home, car, and at the Vets; dog ear muffs for noise cancelling to protect dogs ears and hearing from loud noise, such as Thunder, Fireworks, vacuums, and gun fire; aerate the ears; heal or prevent hematomas; neck and ear warmers; grooming aid; keeping long ear and facial hair up and out of the way while eating or drinking. RECOMMENDED BY VETS to help prevent or heal hematomas when used as a dog ear wrap for shaking heads, help control bleeding; aerate the ears to speed up recovery of an ear infection; keep medication from being shaken out of ears; provide dog ear protection for swimming and bath time; as a post-surgery ear protection aid. When worn together, Happy Hoodie can increase and complement the efficiency of dog anxiety vests, fireworks and separation anxiety jacket, stress collars, calming scarf, or thunder hoody or shirt for dogs. It may also be used in conjunction with oral calming remedies. Keep your dogs ears and head warm in cold weather, or wet it to keep your pet cool when its hot! Our soft, expandable, double-ply fabric band comes in 3 sizes to accommodate most dog breeds.