[Perfect Fit for Large Dogs]: Specifically designed for large breeds like German Shepherds and Labradors, this XL muzzle ensures a comfortable fit. Ensure your dog's snout length is over 7cm for optimal use. Experience any issues with your new dog muzzle? Contact us anytime! Our package includes two comprehensive user manuals to guide you through proper usage and adjustment for the best fit. [Training Guide Included]: Struggling with your dog rejecting the muzzle? Our included video tutorial and detailed instructions help ease your dog's muzzle anxiety, teaching you how to gently acclimatize your pet to wearing it. [Patience Pays Off]: Introducing a muzzle can be daunting for your furry friend. Our guide helps you patiently and effectively train your dog to accept the muzzle as part of their routine, ensuring a smoother adaptation process. [Durable and Safe]: Crafted for safety and durability, our muzzle prevents unwanted behaviors like biting and chewing while allowing your dog to breathe, pant, and drink without hindrance. Ideal for walks, vet visits, and grooming sessions. Colour:A black Material:Polyester Package Contents: 1 * Dog Dog's mouth case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.