Skirt suit set

Fabric is twill with lime green and burnt orange colors woven into the fabric. Sizes for the blazer are small and medium. They are cut larger to size. Models in pic are 5'7 and a ccup bra wearing a size medium skirt and size medium blazer. Skirt sizes are a 30inch[small] and up to 36inch waist. Pls advise what size waist you need so i can check stock.