【DURABLE&BREATHABLE 】: Our dog muzzle for chewing adopts a new upgraded eyelet fabric, which is very breathable and comfortable. It is applicable all year round (even in hot summer) and can reduce the burden on your dog. Your dog can't even feel the existence of muzzle, so it can make him better accept this. The best thing is that our nylon rope has been specially improved to enhance the overall firmness, so you don't have to worry about your dog tearing our muzzle because of mischief anymore! 【HARD TO GET OUT OF MUZZLE】:Different from other dog muzzles to prevent biting barking in the market, our no-barking muzzle has been technically improved and has double Velcro, which can make a German shepherd muzzle closer to the dog's mouth. In addition, we have adopted a more solid nylon rope behind the dog's neck, which makes it difficult for your dog to take it off. (if your dog is active, We would recommend you refer to “The Best Way to Use Muzzle” in the above product description.) 【SECURITY&EFFECTIVE MUZZLE】:Are you still worried about your dog scavenging, barking, and biting frequently? Our muzzle for large sized dog is an expert specializing in solving such problems. The new design of our dog muzzle for large dogs anti biting limits biting, chewing, and other bad habits effectively, which is iead for walking, veterinary treatment, beauty, and public places, we are very willing to invite you to explore our new muzzle for medium sized dog with your lovely kids！