The shoulder straps can be adjusted in 4 steps in the front and 2 steps in the back. Also, the elastic part can be adjusted with buttons on the inside. It's easy to use from early to late pregnancy, and after childbirth. There are no noticeable stains, but please understand that there may be oversights. Please only purchase if you understand that this is a used item and has been stored at home. Shipping may be changed to Yu-Yu Mercari delivery.