1. Material and Size: Made from breathable mesh fabric. This dog muzzle for small dogs is suitable for Toy Poodles, West Highland Terriers, Maltese, etc. (for reference only), but not for very anxious dogs or flatfaced breeds like Pugs. To choose the correct size, please measure your dog's muzzle circumference and length as indicated in the size chart (the muzzle circumference is crucial for size selection). 2. Adjustable Length for Fit: The adjustable ring of the muzzle, connected to the collar, can be adjusted to fit dogs of various sizes, ensuring a comfortable and secure fit. The muzzle will not slip or loosen during use. 3. Easy to Use: Fully open the muzzle, position it correctly over your dog's mouth, adjust the size as needed, and secure it firmly. 4. Innovative WaterFriendly Design: Different from traditional muzzles, this muzzle allows your dog to breathe, pant, and drink water , providing a practical way to keep your dog hydrated while wearing the muzzle.