Adjustable back support belt for lower back pain relief, made with mesh and stretch materials. I was prescribed this because I started experiencing symptoms in early pregnancy, but it didn't really help because the pain was in my sacrum, not my lower back... I only used it once. Size: M It's in excellent condition. - Color: White - Material: Mesh and stretch material - Design: Back support belt - Size adjustment: Adjustable with Velcro - Purpose: Lower back pain relief Thank you for looking.