It's made of a material similar to Crocs sandals and will be a shoe-type sandal. It has a UK 9 size, so it should be around 28cm. Aqua shoes, water shoes, marine shoes, amphibious The condition of the item is close to unused. Please understand that it will be shipped as compactly as possible. I also have other items for sale, such as clothing from Uniqlo, Muji, Montbell, The North Face, Patagonia, Workman, etc. For those interested in hiking, Golden Week, GW, long holidays, summer vacation, autumn leaf viewing, winter vacation, aurora tours, cold weather protection, Mt. Fuji, trekking, climbing, cool biz, quick drying, sweating, hyperhidrosis, travel, fishing, motorcycle, cycling, bicycle, camping, solo camping, outdoor activities, hiking, trekking, walking, strolling, delivery, delivery, golf, tennis, sports day, festivals, training, yoga, Pilates, ballet, mountain girls, etc.