How to turn on the light 1.Pull the zipper of slipper 2.Take out the Led light controller 3.Push the button to the on position and it will work Description: Material warm cotton Item Type:Women/Man indoors Shoes Gender: Women/Man Filling material: PP cotton Toe Type:Round Heel Height:Flat Color:White Pink Purple One Size: Fit for EU 35-43 US 5-11 UK 2-10 Notes: 1. Please check your foot length carefully to make sure it's suitable for you.Recommended EU size are just for reference,If your foot is fat or wide please order one size bigger! 2. As different computers display colors differently ,the color of the actual item may vary slightly from the images ,thanks for your understanding. Package included: 1 x Slipper 1 x Gift