Trampoline socks with non-slip grips, featuring the F-BOX logo. Used for about an hour, then washed and stored. The size is entered as a placeholder, but the sole of the sock measures about 15cm when laid flat and unworn. These were worn when my child was preschool-aged, so they are suitable for children of that age. Adult sizes are also available. - Color: Light Green/Blue - Design: F-BOX logo - Sole Design: Non-slip grips - Intended Use: For trampoline Thank you for looking. Size: 15cm, 15.5cm