Crenstone Exclusive Hello Kitty Hat for Girls 4-6 - Sanrio Hat Bundle with Hello Kitty Baseball Cap with Bow for Kids Plus Hello Kitty Stickers, More | Hello Kitty Hat for Girls, Kids. This Hello Kitty baseball cap set includes one Hello Kitty hat with adjustable back strap, colorful artwork of Spiderman across the front. This Hello Kitty cap for girls measures 6'' x 5'' x 10'' and with its adjustable back strap, it comfortably fits most young children's heads. Great for any fan of Hello Kitty and Sanrio, this Hello Kitty baseball hat is perfect to give as a gift to your favorite Hello Kitty enthusiast. Officially licensed Hello Kitty hat for kids of all ages, boys and girls alike, also comes with Hello Kitty stickers and a Beach Kids cat door hanger.