This is the Birkenstock Yao Balance. I purchased it from the Birkenstock official website. The color is white. The size is 36, which is 23cm. I've worn it twice, but since I wore it barefoot, there is some soiling on the footbed. The upper part is clean. The material of the upper part is Birko-Flor®. Birko-Flor is a high-quality synthetic material. It's easy to care for and has a soft, breathable fleece backing on the inside of the PVC plastic upper. Birko-Flor® is gentle on the skin and highly durable. The hardware is bronze, a reddish-gold color. *I have carefully inspected the item, but there may be some overlooked scratches or stains. Please understand. *Shipping will be anonymous. *Please note that we cannot be held responsible for any loss, theft, or damage that may occur after shipping. *I try my best to deliver the item in good condition, and I will use clean packaging materials. However, as this is a personal sale, I may reuse packaging materials (boxes, bags, etc.). Thank you for your understanding. *If you purchase multiple items, please let me know before you proceed with the purchase, as I may be able to ship them together. *I may be slow to respond to comments. (I will respond the next morning after 9 PM). *I have set the price at the lowest possible level, so I generally do not accept price reductions. *I cannot accept claims or returns. Thank you for your understanding.