Working Principle and Notes Dog anxiety coat uses special materials to apply soft pressure to specific parts of your dog. in case of dog anxiety, please adjust the adhesive position of the velcro slowly, and observe the dog's emotional changes to get best effect.^ Comfortable Design Stress relief calming coat is made of double side, breathable material, close-fitting cut design fits the shape of your dog well, Adopted by gentle and constant pressure, it will make your dog feel like swaddling an infant, make your dog feel more comfortable, it is recommended by thousands of veterinarians and dog trainers^ Sense of Safety Calming solution vest has reflective tape on back side, its safety for dog walk or play outside even during night, drug-free, its perfect for dog daily usage^ Length Adjustable Dog anxiety jacket has 3 rows velcro design, adjustable for size.you can change the tightness for your dog, release quickly, its easy to put on and take off for dogs^ Well-Made Material Reflective anxiety shirt for small medium and large dogs is made by lightweight. environment-friendly fabric, non toxic, machine washable