Material: mesh + metal.<br><br>Suitable for dog breeds: French Dou/Ying Dou/Bago and other short-mouthed flat-faced dogs.<br><br>Features: anti-eating/anti-biting/anti-eating/drinkable water/breathable/, Velcro design, easy to wear, adjustable size.<br><br>S size is suitable for: head circumference 36-39cm, weight 8-10kg;<br><br>M size is suitable for: head circumference 40-43cm, weight 10-13kg;<br><br>L size is suitable for: head circumference 44-48cm, weight 13-18kg.<br><br>Made of breathable mesh, comfortable and durable, adjustable size, convenient and simple to wear, not easy to fall off, and easy to clean<br><br>Before ordering this product, please measure your dog's head size as shown in the picture to avoid improper purchase. Please refer to the size chart to select the size.<br><br>All-around ProtcetionThe design gives an all-around cover of the dog's mouth, stop from biting and licking, or eating dirty foods from outside.