Dogs Kingdom Soft Silicone Cute Anti Bite Duck Mouth Shape Dog Mouth Covers Anti-Called Muzzle Soft cozy and elastic silicone material to protect dog's comfort and health. Size:mouth circumference 4.5'', neck circumference 4.7''-10.0'', mouth height 1.8''. Unique design, prevent your beloved little pet biting, eating street food or licking wounds Strap can be adjusted freely, and elastic. Wearing is very comfortable, do not make the dog feel uncomfortable. A perfect thing to make your pets different,more beautiful or gentler then others