The white part is knitted with sparkling cotton, so it has a lovely subtle glitter! The neck circumference is about 35 cm. It can be used for a long time, from about 1 to 5 years old! This is a handmade item, so it is not perfect. Thank you for your understanding. *The color may vary slightly depending on the photo. For handmade items, we offer a 50 yen discount for bulk purchases. 2 items → 50 yen off 3 items → 100 yen off 4 items → 150 yen off Thank you for looking!