Specifications: Prevent the pet from biting, eating wrong food or shouting at will. Avoid dog unintentional injuries to passers-by. Effectively prevent dog picked wild unclean food. Effective prevent dog's barking. Soft and comfortable, the size can be adjusted. Type: Dog Muzzle Material: Plastic Suitable for: Dog Cat Features: Portable, Durable, Easy to Use, Adjustable Size Detail (Mouth Circumference x Mouth Length) Size 1: 16cm x 5cm/6.30" x 1.97" (Approx.), Suitable for dogs weighing 3kg Size 2: 19cm x 6cm/7.48" x 2.36" (Approx.), Suitable for dogs weighing 5kg Size 3: 22cm x 8cm/8.66" x 3.15" (Approx.), Suitable for dogs weighing 10kg Size 4: 27cm x 9cm/10.63" x 3.54" (Approx.), Suitable for dogs weighing 15kg Size 5: 30cm x 11cm/11.81" x 4.33" (Approx.), Suitable for dogs weighing 20kg Size 6: 33cm x 12cm/12.99" x 4.72" (Approx.), Suitable for dogs weighing 25kg Size 7: 38cm x 14cm/14.96" x 5.51" (Approx.), Suitable for dogs weighing 30kg 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 Prevent the pet from biting, eating wrong food or shouting at will. Avoid dog unintentional injuries to passers-by. Effectively prevent dog picked wild unclean food. Effective prevent dog's barking. Soft and comfortable, the size can be adjusted.