I think as long as they're smooth and you don't pull your hair too tight, those are fine. FYI you can make them yourself by buying elastic by the yard at your sewing store!
3b, fine, medium density, low porosity
CG for 10+ years!
Wash: CJ Daily Fix
Rinse-out: CJ Argan/Olive, Regis Olive Oil, something by Giovanni?
DT: CJ Hair Rehab, CJ Repair Me
Leave-in: CJ CCCC Lite
Styling: Deva Styling Lotion (HG!!)