which brush should i use?

I don't know which brush i should use.  I had one of those bigger brushes with the handle at the end, but now I lost it.  I need a new one, and i can't decide if i should get the same kind or get the smaller kind that fits easier in your pockets cuz I like takin my brush to school but sometimes it doesn't always fit in my pockets.  I heard that the smaller brushes wear out faster and my brother got one 2 days ago and the bristles are already coming out so I'm not sure which one I'll get.  I would get both of them, the bigger one for home and the other one for school and other stuff, but I'm on a tight budget u know, cuz I'm only 14.  Which one should i use?

all brushes are good for waves get one you are comfortable with I recomend medium brushes soft/ or hard or get the two sided brush but get one you are comfortable with.

Sallys, hollywood, annies, and wave brush

it also fits in ya pocket nicely. the military brush is even smaller but less bristles

u should get a brush thats for waves and fits your hair texture

i use a magic soft brush...use that and u will be str8