[Suitable for medium and large dogs] Tested with more than 15 dogs of different breeds and sizes, dog ear muffs are suitable for dogs with head circumference of 17 to 24 inches, such as most adult labrador and golden retrievers, German shepherds and giant poodles. [Protect your dogs from loud noise] Dogs possess far more sensitive hearing than humans, and are more likely to be irritated or harmed by loud noises such as sound from fireworks, thunderstorms or gunshots etc. Dog ear protection helps muffle these noises. [Over 70% reduction] The muffs are made with 0.6 inch thick sponge, which can help filter more than 70% of incoming noise. [Light and comfortable] The ear muffs are made of lightweight PU, gel and sound deadening sponge and weighs only 6.5 ounces. We've designed these muff to maximize the wearer's comfort