About Size Information: The dog ear covers for noise have a side length of approximately 100 mm (3.9 inches) and a height of approximately 110 mm (4.3 inches). The width of each ear cup is about 53 mm (2 inches). The upper elastic band is adjustable, ranging from 140 to 190 mm (5.5 to 7.5 inches), while the lower elastic band measures 60 to 80 mm (2.3 to 3.1 inches). Designed with high-elasticity bands and an adjustable buckle, these ear muffs fit dogs of various sizes. Please measure your dog's dimensions to ensure a comfortable fit. Reliable Material: These dog hearing protection earmuffs feature an ABS shell, padded with sound-insulating cotton. The ear cushions are made from soft PVC and gel materials, designed to be gentle on your dog's skin. The full-ear coverage structure helps prevent overheating during extended wear. Weighing only 0.4 pounds, the lightweight design minimizes stress on your pet. Hearing Protection: These dog ear muffs are engineered to provide effective noise reduction, helping protect your pet's hearing in loud environments. Suitable for use around loud machinery, lawn mowers, motors, industrial equipment, power tools, and loud music. Comfortable to Wear: Featuring a triangular design that conforms well to the natural shape of dogs' ears, these noise-reducing earmuffs ensure a secure and comfortable fit. The external strap system does not compromise acoustic performance. With two elastic bands on top and one under the chin, the earmuffs stay securely in place and are less likely to slip off. Widely Applicable: These noise protection earmuffs help safeguard dogs' sensitive ears and can help keep them calm in noisy situations, reducing stress caused by loud or sudden sounds. Ideal for use during shooting activities, fireworks, celebrations, and other high-noise environments.