Got asked that question by someone but I couldn’t respond because they didn’t leave their email address. All stock units are medium light density/medium. They’re specd’d very ‘middle of the road’ so they’ll work for most guys. Body wave (one step up from straight--just a ‘bend’ in the hair), freestyle (so you can style them anyway you’d like) and 6” of real human hair. Size is 8” x 10” and they can be cut to size.
Best,
John