Fabric: 50% rayon cotton, 46% polyester, 4% spandex. Knitting cotton, super soft, stretchy and comfortable.Feature: scoop neck/ short sleeve/ irregular hem/ double layer/ lining/ hip length. Smart discrete feeding access, easy to breastfeed or pump in quickly.Double layers- Friendly simple design to help nursing moms feel confident and comfortable to feed their babies in public. The flaps lifts easily for access.Perfect for pregnant and easier nursing women, easy to match with your maternity jean or leggings. Fashion style and practical for any activity, great for casual, home or outside feeding.Bust Size: S US(8):35.0in/ M US(10):37.0in/ L US(12):39.0in/ XL US(14-16):41.7in/ XXL US(18-20):44.5in. To ensure the satifaction of your order, please refer to our size chart in product description, thanks.