What size yoga ball did you use?

Izzy • 👶🏻👼🏻👼🏻👼🏻👼🏻👼🏻👼🏻 🌈👶🏻

I’m 5’2, 135lbs at 22 weeks pregnant. I’m looking at yoga balls to get for the end of my pregnancy. My question is what size should I get? I don’t want one too big but I also don’t want one too small?