SUITABLE SIZE TO CHOOSE: These dog Christmas pajamas have 5 sizes to choose from, from S to XL, suitable for puppies, small medium large dogs. Please check the size chart by measuring chest, back length, and neck before purchasing. Follow the chest girth in priority. Please size up if between size. SUPERIOR WARMTH AND COMFORT: Our dog pajamas are made of 90% polyester and 10% spandex that is soft, comfortable, and non-irritating, giving your pet the ultimate comfort. At the same time, this fabric can effectively block the cold air and provide a warm environment for your pet. DOG CHRISTMAS PAJAMAS: Our pajamas are designed to be charming elf clown costumes, perfect for pets who love to decorate. Make your pet look cute and eye-catching, making this dog onesie a perfect match for Christmas, New Year, Valentine's Day and all holidays, and it is the ideal gift for your furry friend. BELLY WRAP DESIGN: The unique belly wrap design of this pet pajama fully covers your pet's belly, providing better protection. The belly is the part of the pet's body most vulnerable to cold, and the belly wrap design provides extra warmth and insulation. EASY TO PUT ON AND TAKE OFF: Our pet pjs are delicately designed with convenient wearing and removal methods. The elastic ribbed collar and cuffs make it easy for you to quickly put on or take off the pet onesies for your pet. 1