About Size Information: The Dog Ear Covers for Noise feature a side length of approximately 100 mm/3.9 inches and a height of around 110 mm/4.3 inches, with the width of each ear cover being about 53 mm/2 inches; the upper elastic bands are adjustable, ranging from about 140-190 mm/5.5-7.5 inches, and the lower elastic band measures about 60-80 mm/2.3-3.1 inches. With high elastic bands and adjustable buckle designs, they are suitable for dogs of different sizes; please measure to ensure your dog is comfortable. Reliable Material: Made with an ABS earmuff shell, patches, and sound insulation cotton, our dog hearing protection uses a PVC cortical material and gel that is soft and gentle on your dog's skin. The full ear protection design prevents overheating of your dog's ears in hot and dry conditions when worn for extended periods, weighing only 0.4 pounds, thus minimizing stress on your dog. Hearing Protection: These dog earmuffs are designed to provide hearing protection for your pet, making them suitable for various situations, such as loud machinery, lawn mowers, motors, industrial machines, power tools, loud music, and more. Comfortable to Wear: Our noise-canceling dog earmuffs adopt a triangle design that better fits the shape of dogs' ears, and the external band does not hinder the earmuff's acoustic protection. They feature 2 elastic bands on the top and 1 elastic band under the chin, ensuring they stay securely in place. Widely Application: Our noise protection for dogs helps shield their sensitive hearing, making them feel calm and at ease, thereby reducing the chance of irritation from disruptive noises. Suitable for shooting, celebrations, noise, and more.