Instant purchase is OK. These are handmade cloth zori (Japanese sandals). Size: Diameter: Approximately 24 cm Width: Approximately 9.5 cm Materials: Base: 100% cotton towel fabric Straps: Kimono fabric The straps are attached tightly, so they may feel a bit uncomfortable at first, but they will gradually conform to your feet. They can be washed using a laundry net, so you can keep them clean at all times. Please check the images before purchasing. Please refrain from purchasing if you are concerned about anything.