About Size Information: the dog ear covers for noise come with a side length of about 100 mm\/ 3.9 inch a height of about 110 mm\/ 4.3 inch, the width of the single ear mud is about 53 mm\/ 2 inches; The upper elastic bs are adjustable, measuring about 140-190 mm\/ 5.5-7.5 inches, the lower elastic b measures about 60-80 mm\/ 2.3-3.1 inches, with high elastic bs adjustable buckle designs to suit dogs of different sizes; Please measure the size in case the dog is uncomfortableReliable Material: adopting ABS earmuffs shell, patches sound insulation cotton material, our dog hearing protection select PVC cortical material gel to keep soft friendly to the dog skin, the full ear protection structure can avoid the dogs' ear overheated by hot dry environment when wearing for a long time, with a weight of 0.4 pounds, causing less stress on your dogHearing Protection: dog ear muffs noise protection are designed to provide hearing protection for your pet, suitable for a variety of applications, such as loud machinery, lawn mowers, motors, industrial machines, power tools, loud music, noise so onComfortable to Wear: our dog earmuffs noise cancelling adopt a triangle design, which can fit the shape of dogs ears better, the external b does not affect the acoustic protection of the earmuff, with 2 elastic bs on the top 1 elastic b on the chin, not easy to fall offWidely Application: our noise protection for dogs can help to guard dogs' sensitive hearing, will make your dog feel calm easier, reducing the likelihood of being irritated by annoying noises, can be applied for shooting, celebrations, noise more