The cowboy hat measures 11 inches inside In good used shape The cream felt hat with floral band measures 10 inches inside Light straw hat measures 7 inches inside The brown straw hat measures 12 inches inside The red cotton hat measures 16 inches inside, has a small hole in the seam The brown cloth hat measures 12 inches inside The red knit hat measures 10 inches inside The floppy hat measures 7 inches inside White ruffle hat measures 9 inches inside and has a little wear All Items are sold as is. I try to describe the item to the best of my knowledge, but being only human, I might miss something once in a while. Will combine shipping June 2024