Fangrui Product Details This Adjustable Chicken Harness Is A Tried And Tested Chicken Of All Shapes And Is Sized To Fit Hens And Ducks From 2-12kg, There Are Many Sizes They Will Love This Custom Size.breathable Nylon Material: Allows The Rooster&39;s Skin To Breathe Freely And Has A Certain Elasticity, Making The Rooster And Hen More Comfortable.stylish Bow Design; The Chick Dress Has A Beautiful Bow On The Front, Which Is Very Cute And Becomes More Fashionable For Pets. More Obviouseasy To Do It: Each Garment Features A 43" Drawstring, Making It Easy To Train Chickens To Walk, Put On And Take Off. Avoid Problems With Donning And Doffing And Causing Damage To Your Pet&39;s Hair.size: Xs---- Neck Circumference 17cm, Bust Circumference 23-35cm, Suitable For Weight Below 3kgs---- Neck Circumference 24cm, Bust Circumference 30-40cm, Suitable For Weight Below 3-5kgm---- Neck Circumference 29cm, Bust Circumference 35-50cm, Suitable For Weight Below 6-12kg