Yes, the bellyhood can be machine washed in cold water with like colors. Hang to dry or machine dry on low heat.
The bellyhood is 29” in circumference when un-stretched. The back has pleats and because of this construction and the stretchy material the bellyhood will provide extra stretch in the middle where the bump will be the biggest. It will accommodate a bump up to 50”.
The bellyhood is meant to cover your entire bump, not just the lower portion like a belly band. It is a fashion accessory and is to be worn on top of your tanktop/dress etc. Towards the latter stages of pregnancy the bellyhood will provide some much needed support.