Size unknown. 31cm? The package says 46 (see image 7). Shipping: Takkyubin Compact. If the size is exceeded, it will be shipped as size 60. ❤️ Please read the product description and profile before purchasing or commenting. ❤️ Requests for price reductions without a price offer, or requests to register a desired price (I have notifications turned off because they are usually from people who ignore shipping costs), requests to ignore shipping costs, or requests for price reductions on items that are barely covering shipping costs or are under 500 yen, and rude questions will be immediately deleted or ignored. ❤️ Bulk purchases are welcome ↓ #Tokki's Product List is Here ✨☜ Water shoes, quick-drying, soft, non-slip, amphibious 003-0344191 ⭐︎⭐︎⭐︎⭐︎⭐︎⭐︎