Yep I would definitely guess 4a/4b with some little 3c curls mixed in there.
Thick mid-length 4a hair
Shampoo: Creme Of Nature Moisture & Shine Shampoo
Cowash: TRESemme Naturals Nourishing Moisture Conditioner
Deep Conditioner: TRESemme Naturals Nourishing Moisture Conditioner mixed w/honey & olive oil
Leave-In: TRESemme Naturals Nourishing Moisture Conditioner
Sealants: olive oil & Blue Magic Conditioner Hair Dress