Size is unknown, but listed as 17 cm. I am also selling other items. We do not accept claims or returns for reasons such as incorrect size. Please understand that these are used children's items. Sea River Pool Camping Summer Water play Spare Bundle Bright yellow slip-on shoes with a flexible rubber sole for comfortable wear. - Color: Bright yellow - Material: Stretchy fabric - Sole: Flexible rubber sole - Damage: Many small scratches - Design: Slip-on style Thank you for viewing.