1---Reliable Material: adopting ABS earmuffs shell, patches and sound insulation cotton material, our dog hearing protection select PVC cortical material and gel to keep soft and friendly to the dog skin, and the full ear protection structure can avoid the dogs' ear overheated by hot and dry environment when wearing for a long time, with a weight of 0.4 pounds, causing less stress on your dog. 2---Hearing 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 and so on. 3---Comfortable to Wear: our dog earmuffs noise cancelling adopt a triangle design, which can fit the shape of dogs ears better, and the external band does not affect the acoustic protection of the earmuff, with 2 elastic bands on the top and 1 elastic band on the chin, not easy to fall off. 4---Widely Application: our noise protection for dogs can help to guard dogs' sensitive hearing, and will make your dog feel calm and easier, reducing the likelihood of being irritated by annoying noises, can be applied for shooting, celebrations, noise and more. Features: Material: ABS shell + acoustic foam + soft rubber edge protection. Product size: The triangular edge of the earmuff section is 10cm long; suitable for dogs with a head circumference of 17-25 inches