I only walked on the sand between the school building and the pool once, so they're not brand new, but they've hardly been used. I'd like to clean them up a bit before shipping. Protects your child's feet at the sea or in the river. They are 20cm, but they felt tight, so I think they would fit a foot that usually wears 19cm. To save on shipping costs, I will flatten them for shipping. - Color: Navy - Design: Slip-on - Material: Synthetic fiber - Sole: Rubber Thank you for looking.