Set of 3 swim mesh caps in three colors (Please refer to the photos for sizes) Only the green one has been used several times. All three were used by an elementary school child. Green Flat measurement: 23cm Name has been erased on the back and tag. Most used, so the color has faded. Blue Flat measurement: 23.5cm Name has been erased on the tag. Navy Flat measurement: 22cm Please refrain from price negotiations.