Under Amour Boy's Spotlight 3.0 Rubber Molded Cleats white size 11K pre-owned but unworn These are marked 11K. (Little Kid on the manufacturer website) The length is about 8 inches. They appear to be for about a 5 to 6 year old. "Rubber molded cleats provide aggressive traction & durability on all field surfaces: Gives you the traction and stability you need to make quick cuts, tackles, and touchdowns on any field surface."