Dog Birthday Set: Including 1 Dog Birthday Bandana, 1 Birthday Hat. Nice birthday outfit for your cute dogs, use for a photo op Product Size: The Dog Scarf: about 24in x 17in x 17in. (Please measure your pet’s size, leave room to tie knot. ) Hat: about 3in in diameter of the bottom, and 5inch tall. Fastening: Drawstring High Quality: Made from high-quality cotton double layer fabric, the hat is not a paper hat,made from a nice sparkly fabric material, fine workmanship, and for a long lasting use.