【High-Quality Material】The dog muzzle is made of environmentally friendly PVC, creating a fully enclosed mesh design. The mesh sides are flexible and soft, yet resistant to compression and durable. Dog muzzles are exceptionally resistant to abrasion, puncture, and tearing. Additionally, it is lightweight and portable and can be easily folded and stored in a pocket. 【Adjustable Strap】The dog muzzle can be adjusted in 4 directions front and back, left and right. Adjust the strap to fit your dog, then put it on directly. The elastic band ensures a perfect fit and is securely fixed on the dog's snout. Furthermore, the straps of the dog muzzle on the neck and forehead can also be adjusted into a triangular shape to keep it firmer and prevent it from falling off. 【Perfectly Designed Dog Muzzle】Full coverage design provides full protection for your dog's mouth to prevent your dog from licking, ingesting bait or other toxic substances, biting quickly, digging, and picking up branches or larger objects during walks. The dog muzzle effectively prevents biting, chewing, and gnawing. 【Secure Fit and Comes with Velcro】This small dog muzzle also comes with Velcro straps with strong adhesion that secure the muzzle strap to the dog's collar, helping to keep the mesh dog muzzle strap in place, comfortable to wear, not easy to fall off, and difficult for the dog to tear off. 【Suitable for Long-Nosed Dogs】This medium dog muzzle is designed for long-nosed dogs and is ergonomic. It is suitable for Golden Retrievers, Border Collies, German Shepherds, Labradors, Corgis, and other long-nosed dogs. NOTE: Please train your dog to accept the muzzle before purchasing. Meets the needs of a variety of breeds. Size reference: MUZZLE CIRCUMFERENCE: 26-30 cm