I love these reversible kids sun & rain hat. One of my favorite parts is the cute little carrying case that it the hat comes in. Has a clip so you can attach to your beach bag etc. Lightweight and water resistant so they won't get so heavy when used in the pool. Offers important 50SPF protection for little ones Water resistant Clips to beach bags, backpacks, strollers diaper bags & more Easy care - machine washable Comes with a handy storage pouch Inner Circumference of Hat is about 20.5 inches.