About Size Information: the dog ear covers for noise come with a side length of about 100 mm/ 3.9 inch and 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 bands are adjustable, measuring 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 to suit dogs of different sizes; Please measure the size in case the dog is uncomfortable 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 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 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 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 About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.