Comfortable and safe: Lined with soft swimming cloth, our dog muzzle ensures a comfortable fit without harming your pet.Luminous design: Made from environmentally friendly luminous plastic, the muzzle emits light at night, enhancing visibility and safety.Adjustable and secure: The movable buckle allows for easy size adjustment and secure fixation, providing convenience and peace of mind.Reflective collar: The collar is fixed with a reflective ribbon and nighttime material, ensuring visibility in low-light conditions.Ventilated design: The dog mouth design maximizes ventilation, preventing overheating and keeping your pet comfortable at all times.Item Name: Dog MuzzleMaterial: PlasticFeatures: Adjustable Buckle Design, Luminous, Anti-barking Size Details:Size: 1, Mouth Length: 7cm/2.8", Mouth Circumference: 22cm/8.7", Head Circumference: 30cm-40cm/11.8"-15.7" (Approx.)Size: 2, Mouth Length: 8cm/3.1", Mouth Circumference: 27cm/10.6", Head Circumference: 34cm-48cm/13.4"-18.9" (Approx.)Size: 3, Mouth Length: 9cm/3.5", Mouth Circumference: 31cm/12.2", Head Circumference: 39cm-51cm/15.4"-20.1" (Approx.)Size: 4, Mouth Length: 10cm/3.9", Mouth Circumference: 34cm/13.4", Head Circumference: 45cm-59cm/17.7"-23.2" (Approx.)Size: 5, Mouth Length: 11cm/4.3", Mouth Circumference: 38cm/15", Head Circumference: 47cm-61cm/18.5"-24" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Dog Muzzle Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.