This is a fashion design jacket,high quality in waterproof nylon cloth layer,your pets can wear in rainy days.This jacket is perfect for protecting your puppies from a cold weather. Made with 100-Percent polyester, fleece vest hoody is soft and warm.Exquisite workmanship,have a magic buckle on both sides of the chest and neck , adjustable chest,easy to put on and take off,Keep your dog fashionable and warm during the winter! PetCee warm tips:When you are ready to choose jacket for your pets,it’s better to measure your pets neck,chest,and back length.and then refer to the jacket size as following. Size XS Length(inch)10.2,Neck(inch)9.4,Chest(inch)14.2-15.7,Jacket Weight(lb)0.15 S Length(inch)12.2,Neck(inch)11.4,Chest(inch)16.5-18.9,Jacket Weight(lb)0.21 M Length(inch)14.2,Neck(inch)13,Chest(inch)18.9-21.3,Jacket Weight(lb)0.25 L Length(inch)15.4,Neck(inch)15,Chest(inch)22-26,Jacket Weight(lb)0.32 XL Length(inch)16.9,Neck(inch)16.9,Chest(inch)24.4-28.3,Jacket Weight(lb)0.37 XXL Length(inch)18.5,Neck(inch)18.9,Chest(inch)26.8-31.5,Jacket Weight(lb)0.41 XXXL Length(inch)23.2,Neck(inch)20.9,Chest(inch)32.3-39.4,Jacket Weight(lb)0.45