Size: Length 29 cm, Width 10 cm These cloth zori (Japanese sandals) are made by weaving a 3cm wide core cord into the string used to knit them, and then hand-sewing them, making them durable and cushioned. They feel good on bare feet, and are very warm when worn with toe-socks. Washable: First, soak in water, then scrub with a sponge or put in a laundry net and wash in the washing machine. Dry for 2-3 days. They will widen and loosen slightly with wear. If the thong loosens, tighten the cord on the underside.