Features:100% brand new and high qualityA humane and way to work with strong, forceful dogsHelps stop biting, barking, and chewingRecommended by handlers, trainers, and pet care professionalsDurable leather for strengthSnout strip for dog's comfortFully adjustable strap with quick-release buckleMade from soft plastic meshLightweight and washableDo not leave dog unattended while wearing this muzzleSpecifications:Material: PlasticColor: BlackSize(approx.):1: top length: 4cm1.6inch bottom length: 6cm/2.4inch neck circumference: 30cm/11.8inch2: top length: 4.5cm/1.8inch bottom length: 7cm/2.7inch neck circumference: 32cm/16inch3: top length: 5cm/1.96inch bottom length: 8cm/3.1inch neck circumference: 34cm/13.4inch4: top length: 6cm/2.3inch bottom length: 9.5cm/3.7inch neck circumference: 40cm/15.7inch5: top length: 7.5cm/2.9inch bottom length: 11cm/4.3inch neck circumference: 47cm/18.5inch6: top length: 8.5cm/3.3inch bottom length: 13.5cm/5.3inch neck circumference: 56cm/22inch7. top length: 10cm/3.9inch bottom length: 14.5cm/5.7inch neck circumference: 60cm/23.6inchPackage Includes:1 x Basket Cage Adjustable Pet Dog MuzzleNote:1.The size measurements are handmade, so there may be 0.1-0.5 inch error.2.Please understand because of the light irradiation or computer display difference, the item`s color might be slightly different from the pictures.