Default is STO, can send via Yunda or ZTO, please contact customer service for large quantities via express delivery. Before 5 PM on the same day, we will basically check and ship on the same day. Various Platforms / One-Click Stocking Origin: Jinjiang, Fujian, cold bonding process, synthetic leather/fabric + EVA sole, lightweight and non-slip, comfortable foot feel 7-day no-reason returns and exchanges, three guarantees of quality, stable quality, durable wear. This model is for sports shoe sizes; for example, if you wear size 39 in leather boots, choose size 40 for sports shoes. It's recommended to choose size 40 and so on