Thank you for viewing. These are kids' size amphibious marine shoes, 17.0cm. Only tried on indoors. They were outgrown without being used outdoors. I hope someone who needs them will use them. They will be shipped via Mercari Yu-packet Post with simple packaging. Lightweight and flexible marine shoes made of synthetic fiber, with a rubber sole that is non-slip. - Color: Purple - Material: Synthetic fiber - Sole: Rubber - Design: With back loop - Usage: Marine shoes Thank you for viewing.