Noise Reduction - This dog hoodie protects the dog from the loud noise and high pressure air associated with forced drying. Its gentle compression reduces noise and has a swaddling effect that calms, comforts and protects your pet. It can help upset, unhappy or aggressive pets become calm and cooperative. HIGH QUALITY - Soft, expandable fabric comes in 3 sizes to fit most dog breeds. The dog neck and earmuffs are designed with stretchy elastic fabric for comfort and breathability. A hoodie can quickly reduce noise, relieve anxiety, and prevent your dog from being frightened. Suitable for most dog breeds, small, medium and large dogs. The hoodie can be a little tight at first, but can loosen over time Applicable occasions: Four seasons style, for wind and cold protection. In addition, dog earmuffs can also be used for dogs’ anxiety, or fear of strangers and new environments, such as: pet hospital, dog grooming, moving to a new house, fireworks, noise, travel, separation, etc.; also