Description: AdjustableHumanized adjustable size design, users can adjust the dog muzzle length freely, which is easy to wear and install. Safe and reliableDog muzzle made of breathable polyester mesh material, effectively dog muzzle to prevent chewing, eating unclean objects, dog muzzles to prevent biting, and hurting people or objects. Does not affect breathingThe front opening does not affect breathing, and the inner layer is thickened and cushioned to reduce friction. Does not affect drinking waterThe dog's mouth can still be slightly opened and not tight, so that the dog can drink water without pressure. Wide range of applicationsSuitable for all dogs sizes from small to large. Ideal for can effectively prevent bad habits such as , biting, picking, and biting things, to use during training, daily walk, grooming, or dog travel. Size Chart: 1# mouth circumference 12cm: 12cmx16cmx4cm/4.72inchx6.30inchx1.57inch 2# mouth circumference 14cm: 14cmx18cmx4cm/5.51inchx7.09inchx4inch 3# mouth circumference 16cm: 16cmx20cmx4cm/6.30inchx7.87inchx1.57inch 4# mouth circumference 18cm: 17cmx22cmx5cm/6.69inchx8.66inchx1.97inch 5# mouth circumference 20cm: 19cmx27cmx6cm/7.48inchx10.63inchx2.36inch 6# mouth circumference 22cm: 21cmx31cmx7cm/8.27inchx12.20inchx2.76inch 7# mouth circumference 24cm: 23cmx32cmx7cm/9.06inchx12.60inchx2.76inch Package Includes: 1Dog Muzzle Note: Please allow slightly errors due to manual measurement and different monitors.