Secret Hi by Ellen Wille is a perfect solution for thinning hair or if you just want to add a little more volume to your hair. Made with Heat Friendly Synthetic fiber, you can change up your look and style your way! This topper is constructed with a 100% hand-tied top for total comfort and all-over natural movement. Secret Hi also has an extended lace front, which will mimic biological hair growing out. With 4 pressure-sensitive clips, your topper will stay secure all day while giving you the hair you've always longed for!