The buttons on the sides are snap buttons. The size can be adjusted, and it should be wearable for sizes around 140 to 160 cm. It's thin, so it's suitable for spring to autumn. It's white, but there are no noticeable stains. Lee white overalls, size 100cm and up. - Brand: Lee - Color: White - Style: Overalls - Size: 100cm~ Thank you for looking.