Welcome to Washranp LLC, enjoy your shopping Material: Silicone Usage: Prevent Bite Features: Reusable, Adjustable, Breathable Size Details: Size: S, Mouth Circumference: 11.4cm/4.5", Nose Length: 10.1cm/4", Width: 9.7cm/3.8", Suggested Weight:5-7.5kg Size: M, Mouth Circumference: 12.5cm/4.9", Nose Length: 11.1cm/4.4", Width: 10.6cm/4.2", Suggested Weight:7.5-10kg Size: L, Mouth Circumference: 13.3cm/5.2", Nose Length: 11.8cm/4.6", Width: 11.3cm/4.4", Suggested Weight:10-15kg Size: XL, Mouth Circumference: 13.9cm/5.5", Nose Length: 12.3cm/4.8", Width: 11.8cm/4.6", Suggested Weight:15-20kg Package Includes: 1 x Dog Muzzle 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. Adjustable buckle for a comfortable fit and easy on/off. Durable straps that can be resized for convenience. Effectively restricts biting and chewing for various situations. Made of breathable and comfortable silicone fabric. Suitable for home use, walking, traveling, and more.