I am in my 32 weeks, and I was size 10 before pregnancy, medium fits me well.
The velcro is sturdy, fabric is durable, make it very easy to put on and adjust to correct tightness.
Very good support for the back when walking, reduces both my pelvic and back pain.
Maternity Belt for Prenatal and Postpartum Pregnancy Support and Recovery. Befit24 PMB.