Size: neck circumference 38cm, length: 24cm Anxiety Relief: Dog Quiet Ears are designed with gentle compression to reduce noise irritating pets; warm, fully wrapped design keeps your pets calm, comfortable and protected, making them feel safe and stable; suitable for cars, airports, noisy Ambient, earmuffs will protect them from loud sounds like thunder and fireworks. Low noise: The noise from the machine can make your dog nervous and flustered and not get along well with you; you can use this dog earmuff to help your puppy cover his ears to reduce noise; even sensitive puppy Will be impressed with this stress-relieving dog earmuff. Occasion: Dog ear protector to keep your pet's neck and ears warm and protect them from dust and cold wind; dog ear muffs are suitable for your dog to hike, camp and other outdoors in winter or cold weather Activity.