Product Description Number 1: Mouth length: 6cm Mouth circumference: 20cm Head circumference: 30-40cmNumber 2: Mouth length: 7cm Mouth circumference: 23cm Head circumference: 34-48cmNumber 3: Mouth length: 8cm Mouth circumference: 26cm Head circumference: 39-51cmNumber 4: Mouth length: 9cm Mouth circumference: 28cm Head circumference: 45-59cmNumber 5: Mouth length: 10cm Mouth circumference: 33cm Head circumference: 47-61cm Material: SiliconeQuantity: 1 PcsPackage Content: 1 * Dog Muzzle1. Flexible Silicon Basket: Made Of Flexible Non-Toxic Rubber, The Basket Muzzle Is Extremely Strong, Durable And Soft For The Dog Without Any Danger. Used For Safe Socialization, Safe Handling During Vet Visits, Grooming Or Dogs Traveling Without Any Harm To The Dog.2. All Around Protection: The Basket Design Provides Cover All Around The Dog'S Mouth, In This Way The Dog Muzzle Prevents Your Dog From Licking His Wounds, Eating Rocks, Garbage, Poison, Etc. And Avoid Injury From Dog Fighting.3. Adjustable And Comfortable Muzzle Design: Adjustable Shoulder Straps And Removable Front Grilles Provide Additional Comfort And Access. Does Not Interfere With The Dog'S Mouth And Does Not Hurt The Skin.4. Dog Friend: This Dog Muzzle Allows The Dog To Drink, Eat And Pant, While It Is A Lightweight, Quick-Fit Muzzle. Perfect For Exercise And Daily Dog Walks. Dogs Are Capable Of Destruction, If The Dog Is Not Wearing A Muzzle, Please Remove It To Prevent The Dog From Biting It